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25 Commits

Author SHA1 Message Date
feng6917
d1a8f37a71 Correction of word assert spelling mistakes (#269) 2024-11-12 19:15:23 +08:00
dudaodong
a769257017 fix: update random seed when call random function 2024-11-11 19:45:31 +08:00
dudaodong
f3579fc142 feat: add IndexOf and LastIndexOf for stream 2024-11-11 10:52:29 +08:00
dudaodong
de877e5278 feat: add Ternary 2024-11-08 14:20:35 +08:00
dudaodong
08f14d2b08 feat: add ExtractContent
:
2024-11-08 14:11:25 +08:00
dudaodong
0ed2b11ba1 doc: add doc for Min, Max, MaxMin function 2024-11-07 16:00:34 +08:00
dudaodong
643edc1468 feat: add Max, Min, and MaxMin for datetime package 2024-11-07 15:47:22 +08:00
dudaodong
e2ff83649a doc: format code in doc file 2024-11-06 10:15:47 +08:00
残念
a7fecfc73b perf(slice): make the IndexOf function thread-safe (#263) 2024-11-06 10:04:44 +08:00
dudaodong
8bbae69175 feat: add try-catch-finally implementation 2024-11-04 14:46:25 +08:00
dudaodong
840ea8f3c5 fix: fix code in UnZip demo 2024-10-25 11:14:15 +08:00
dudaodong
a4e89bd7c1 feat: add ConcatBy 2024-10-24 15:38:12 +08:00
dudaodong
2015d36b08 feat: add JoinFunc 2024-10-24 14:56:13 +08:00
dudaodong
921f218ef7 test: run test cases on rc branch 2024-10-18 16:40:20 +08:00
dudaodong
0a2cc9c928 doc: update doc for RandNumberOfLength and GetExeOrDllVersion 2024-10-18 16:38:39 +08:00
今晚打打
ed93aae970 feat:add GetExeDllVersion for fileutil,random,package (#257)
* 增加GetExeDllVersion函数获取exe,dll版本号

* 多打文字

* 定位忘记...

* 单独剥离出来一个为windows的,增加RandNumLen为取指定长度随机数.

* ....

* 增加test测试
2024-10-18 16:17:14 +08:00
BoWen Qiu
1671f7856a feat(netutil): add async http request for http client (#256)
* fix(algorithm): fix bug of lrucache in issue #251

* feat(netutil): add async send request for HttpClient
2024-10-18 15:14:52 +08:00
燕归来
1008dd4956 fix: fix compile error (#255) (#258) 2024-10-18 15:09:28 +08:00
BoWen Qiu
a254ebdc8e fix(algorithm): fix bug of lrucache in issue #251 (#254) 2024-10-16 09:55:38 +08:00
dudaodong
0bc11001a4 fix: add rsa public and private key example file 2024-10-12 15:16:39 +08:00
dudaodong
85d98ad915 Merge branch 'rc' into v2 2024-10-12 14:06:15 +08:00
77
cb08613ac3 fix(orderedmap): fix set bug (#252)
set : when the key is present, the value of the data map should be set,
not the value of the list

Co-authored-by: congziqi <congziqi@lixiang.com>
2024-10-12 14:05:13 +08:00
dudaodong
bad1b05224 doc: add doc for RsaSign and RsaVerifySign 2024-10-11 15:38:42 +08:00
dudaodong
527328739a feat: add RsaSign and RsaVerifySign 2024-10-10 15:40:32 +08:00
dudaodong
213e2b4ead doc: add play ground demo 2024-10-09 16:56:56 +08:00
72 changed files with 2759 additions and 398 deletions

2
.gitignore vendored
View File

@@ -8,7 +8,7 @@ fileutil/*.link
fileutil/unzip/*
fileutil/tempdir/*
slice/testdata/*
cryptor/*.pem
# cryptor/*.pem
test
docs/node_modules
docs/.vitepress/cache

104
README.md
View File

@@ -364,10 +364,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
[[play](https://go.dev/play/p/VtHxtkUj-3F)]
- **<big>AesGcmEncrypt</big>** : encrypt byte slice data with key use AES GCM algorithm.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#AesGcmEncrypt)]
[[play](todo)]
[[play](https://go.dev/play/p/rUt0-DmsPCs)]
- **<big>AesGcmDecrypt</big>** : decrypt byte slice data with key use AES GCM algorithm.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#AesGcmDecrypt)]
[[play](todo)]
[[play](https://go.dev/play/p/rUt0-DmsPCs)]
- **<big>Base64StdEncode</big>** : encode string with base64 encoding.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/cryptor.md#Base64StdEncode)]
[[play](https://go.dev/play/p/VOaUyQUreoK)]
@@ -611,13 +611,13 @@ import "github.com/duke-git/lancet/v2/datetime"
[[play](https://go.dev/play/p/A9Oq_COrcCF)]
- **<big>TrackFuncTime</big>** : tracks function execution time.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#TrackFuncTime)]
[[play](todo)]
[[play](https://go.dev/play/p/QBSEdfXHPTp)]
- **<big>DaysBetween</big>** : returns the number of days between two times.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#DaysBetween)]
[[play](todo)]
[[play](https://go.dev/play/p/qD6qGb3TbOy)]
- **<big>GenerateDatetimesBetween</big>** : returns a slice of strings between two times.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#GenerateDatetimesBetween)]
[[play](todo)]
[[play](https://go.dev/play/p/6kHBpAxD9ZC)]
<h3 id="datastructure"> 8. Datastructure package contains some common data structure. eg. list, linklist, stack, queue, set, tree, graph. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
@@ -813,10 +813,10 @@ import "github.com/duke-git/lancet/v2/function"
[[play](https://go.dev/play/p/absuEGB_GN7)]
- **<big>Debounce</big>** : creates a debounced version of the provided function.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/function.md#Debounce)]
[[play](todo)]
[[play](https://go.dev/play/p/-dGFrYn_1Zi)]
- **<big>Throttle</big>** : creates a throttled version of the provided function.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/function.md#Throttle)]
[[play](todo)]
[[play](https://go.dev/play/p/HpoMov-tJSN)]
- **<big>Schedule</big>** : invoke function every duration time, util close the returned bool channel.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/function.md#Schedule)]
[[play](https://go.dev/play/p/hbON-Xeyn5N)]
@@ -937,58 +937,58 @@ import "github.com/duke-git/lancet/v2/maputil"
[[play](https://go.dev/play/p/0nlPo6YLdt3)]
- **<big>NewOrderedMap</big>** : creates a new OrderedMap.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#NewOrderedMap)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Set</big>** : sets the given key-value pair for ordered map.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Set)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Get</big>** : returns the value for the given key.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Get)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Delete</big>** : deletes the key-value pair for the given key.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Delete)]
[[play](todo)]
[[play](ttps://go.dev/play/p/5bIi4yaZ3K-)]
- **<big>OrderedMap_Clear</big>** : clears the ordered map.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Clear)]
[[play](todo)]
[[play](https://go.dev/play/p/8LwoJyEfuFr)]
- **<big>OrderedMap_Front</big>** : returns the first key-value pair.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Front)]
[[play](todo)]
[[play](https://go.dev/play/p/ty57XSimpoe)]
- **<big>OrderedMap_Back</big>** : returns the last key-value pair.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Back)]
[[play](todo)]
[[play](https://go.dev/play/p/rQMjp1yQmpa)]
- **<big>OrderedMap_Range</big>** : calls the given function for each key-value pair.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Range)]
[[play](todo)]
[[play](https://go.dev/play/p/U-KpORhc7LZ)]
- **<big>OrderedMap_Keys</big>** : returns the keys in order.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Keys)]
[[play](todo)]
[[play](https://go.dev/play/p/Vv_y9ExKclA)]
- **<big>OrderedMap_Values</big>** : returns the values in order.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Values)]
[[play](todo)]
[[play](https://go.dev/play/p/TWj5n1-PUfx)]
- **<big>OrderedMap_Elements</big>** : returns the key-value pairs in order.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Elements)]
[[play](todo)]
[[play](https://go.dev/play/p/4BHG4kKz6bB)]
- **<big>OrderedMap_Len</big>** : returns the number of key-value pairs.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Len)]
[[play](todo)]
[[play](https://go.dev/play/p/cLe6z2VX5N-)]
- **<big>OrderedMap_Contains</big>** : returns true if the given key exists.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Contains)]
[[play](todo)]
[[play](https://go.dev/play/p/QuwqqnzwDNX)]
- **<big>OrderedMap_Iter</big>** : returns a channel that yields key-value pairs in order.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_Iter)]
[[play](todo)]
[[play](https://go.dev/play/p/tlq2tdvicPt)]
- **<big>OrderedMap_ReverseIter</big>** : returns a channel that yields key-value pairs in reverse order.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_ReverseIter)]
[[play](todo)]
[[play](https://go.dev/play/p/8Q0ssg6hZzO)]
- **<big>OrderedMap_SortByKey</big>** : sorts the map by key given less function.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_SortByKey)]
[[play](todo)]
[[play](https://go.dev/play/p/N7hjD_alZPq)]
- **<big>OrderedMap_MarshalJSON</big>** : implements the json.Marshaler interface.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_MarshalJSON)]
[[play](todo)]
[[play](https://go.dev/play/p/C-wAwydIAC7)]
- **<big>OrderedMap_UnmarshalJSON</big>** : implements the json.Unmarshaler interface.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#OrderedMap_UnmarshalJSON)]
[[play](todo)]
[[play](https://go.dev/play/p/t_pkwerIRVx)]
- **<big>NewConcurrentMap</big>** : creates a ConcurrentMap with specific shard count.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#NewConcurrentMap)]
[[play](https://go.dev/play/p/3PenTPETJT0)]
@@ -1015,10 +1015,10 @@ import "github.com/duke-git/lancet/v2/maputil"
[[play](https://go.dev/play/p/iqcy7P8P0Pr)]
- **<big>SortByKey</big>** : sorts the map by its keys and returns a new map with sorted keys.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#SortByKey)]
[[play](todo)]
[[play](https://go.dev/play/p/PVdmBSnm6P_W)]
- **<big>GetOrDefault</big>** : returns the value of the given key or a default value if the key is not present.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#GetOrDefault)]
[[play](todo)]
[[play](https://go.dev/play/p/99QjSYSBdiM)]
<h3 id="mathutil"> 13. Mathutil package implements some functions for math calculation. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
@@ -1264,22 +1264,22 @@ import "github.com/duke-git/lancet/v2/random"
[[play](https://go.dev/play/p/I3yndUQ-rhh)]
- **<big>RandStringSlice</big>** : generate a slice of random string of length strLen based on charset.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandStringSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/2_-PiDv3tGn)]
- **<big>RandBool</big>** : generate a random boolean value (true or false).
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandBool)]
[[play](todo)]
[[play](https://go.dev/play/p/to6BLc26wBv)]
- **<big>RandBoolSlice</big>** : generate a random boolean slice of specified length.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandBoolSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/o-VSjPjnILI)]
- **<big>RandIntSlice</big>** : generate a slice of random int. Number range in [min, max)
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandIntSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/GATTQ5xTEG8)]
- **<big>RandFromGivenSlice</big>** : generate a random element from given slice.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandFromGivenSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/UrkWueF6yYo)]
- **<big>RandSliceFromGivenSlice</big>** : generate a random slice of length num from given slice.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandSliceFromGivenSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/68UikN9d6VT)]
<h3 id="retry"> 17. Retry package is for executing a function repeatedly until it was successful or canceled by the context. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
@@ -1424,7 +1424,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/qScs39f3D9W)]
- **<big>ForEachConcurrent</big>** : applies the iteratee function to each item in the slice concurrently.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ForEachConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/kT4XW7DKVoV)]
- **<big>GroupBy</big>** : iterate over elements of the slice, each element will be group by criteria, returns two slices.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#GroupBy)]
[[play](https://go.dev/play/p/QVkPxzPR0iA)]
@@ -1454,7 +1454,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/biaTefqPquw)]
- **<big>MapConcurrent</big>** : applies the iteratee function to each item in the slice by concrrent.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#MapConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/H1ehfPkPen0)]
- **<big>Merge</big>** : merge all given slices into one slice.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Merge)]
[[play](https://go.dev/play/p/lbjFp784r9N)]
@@ -1472,7 +1472,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/qT9dZC03A1K)]
- **<big>ReduceConcurrent</big>** : reduces the slice to a single value by applying the reducer function to each item in the slice concurrently.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ReduceConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/Tjwe6OtaG07)]
- **<big>Replace</big>** : returns a copy of the slice with the first n non-overlapping instances of old replaced by new.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Replace)]
[[play](https://go.dev/play/p/P5mZp7IhOFo)]
@@ -1526,16 +1526,16 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/AXw0R3ZTE6a)]
- **<big>UniqueBy</big>** : remove duplicate elements from the input slice based on the values returned by the iteratee function.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#UniqueBy)]
[[play](https://go.dev/play/p/UR323iZLDpv)]
[[play](https://go.dev/play/p/GY7JE4yikrl)]
- **<big>UniqueByComparator</big>** : remove duplicate elements from the input slice using the provided comparator function.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#UniqueByComparator)]
[[play](todo)]
[[play](https://go.dev/play/p/rwSacr-ZHsR)]
- **<big>UniqueByField</big>** : remove duplicate elements in struct slice by struct field.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#UniqueByField)]
[[play](https://go.dev/play/p/6cifcZSPIGu)]
- **<big>UniqueByConcurrent</big>** : remove duplicate elements from the slice by concurrent.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#UniqueByConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/wXZ7LcYRMGL)]
- **<big>Union</big>** : creates a slice of unique elements, in order, from all given slices.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Union)]
[[play](https://go.dev/play/p/hfXV1iRIZOf)]
@@ -1573,7 +1573,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/jlQVoelLl2k)]
- **<big>Frequency</big>** : counts the frequency of each element in the slice.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Frequency)]
[[play](todo)]
[[play](https://go.dev/play/p/CW3UVNdUZOq)]
<h3 id="stream"> 19. Stream package implements a sequence of elements supporting sequential and operations. this package is an experiment to explore if stream in go can work as the way java does. its function is very limited. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
@@ -1610,7 +1610,7 @@ import "github.com/duke-git/lancet/v2/stream"
[[play](https://go.dev/play/p/MFlSANo-buc)]
- **<big>FilterConcurrent</big>** : Applies the provided filter function `predicate` to each element of the input slice concurrently.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#FilterConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/t_pkwerIRVx)]
- **<big>Map</big>** : returns a stream consisting of the elements of this stream that apply the given function to elements of stream.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#Map)]
[[play](https://go.dev/play/p/OtNQUImdYko)]
@@ -1830,19 +1830,23 @@ import "github.com/duke-git/lancet/v2/strutil"
[[play](https://go.dev/play/p/glNdQEA9HUi)]
- **<big>Concat</big>** : concatenates strings.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#Concat)]
[[play](todo)]
[[play](https://go.dev/play/p/gD52SZHr4Kp)]
- **<big>Ellipsis</big>** : truncates a string to a specified length and appends an ellipsis.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#Ellipsis)]
[[play](todo)]
[[play](https://go.dev/play/p/i1vbdQiQVRR)]
- **<big>Shuffle</big>** : shuffle the order of characters of given string.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#Shuffle)]
[[play](todo)]
[[play](https://go.dev/play/p/iStFwBwyGY7)]
- **<big>Rotate</big>** : rotates the string by the specified number of characters.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#Rotate)]
[[play](todo)]
[[play](https://go.dev/play/p/Kf03iOeT5bd)]
- **<big>TemplateReplace</big>** : replaces the placeholders in the template string with the corresponding values in the data map.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#TemplateReplace)]
[[play](todo)]
[[play](https://go.dev/play/p/cXSuFvyZqv9)]
- **<big>RegexMatchAllGroups</big>** : matches all subgroups in a string using a regular expression and returns the result.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#RegexMatchAllGroups)]
[[play](https://go.dev/play/p/JZiu0RXpgN-)]
<h3 id="system"> 22. System package contain some functions about os, runtime, shell command. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
@@ -1881,16 +1885,16 @@ import "github.com/duke-git/lancet/v2/system"
[[play](https://go.dev/play/p/ml-_XH3gJbW)]
- **<big>StartProcess</big>** : start a new process with the specified name and arguments.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/system.md#StartProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/5GVol6ryS_X)]
- **<big>StopProcess</big>** : stop a process by pid.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/system.md#StopProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/jJZhRYGGcmD)]
- **<big>KillProcess</big>** : kill a new process with the specified name and arguments.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/system.md#KillProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/XKmvV-ExBWa)]
- **<big>GetProcessInfo</big>** : retrieves detailed process information by pid.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/system.md#GetProcessInfo)]
[[play](todo)]
[[play](https://go.dev/play/p/NQDVywEYYx7)]
<h3 id="tuple"> 23. Tuple package implements tuple data type and some operations on it. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

View File

@@ -365,10 +365,10 @@ import "github.com/duke-git/lancet/v2/cryptor"
[[play](https://go.dev/play/p/VtHxtkUj-3F)]
- **<big>AesGcmEncrypt</big>** : 使用 AES GCM 算法模式加密数据。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesGcmEncrypt)]
[[play](todo)]
[[play](https://go.dev/play/p/rUt0-DmsPCs)]
- **<big>AesGcmDecrypt</big>** : 使用 AES GCM 算法模式解密数据。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesGcmDecrypt)]
[[play](todo)]
[[play](https://go.dev/play/p/rUt0-DmsPCs)]
- **<big>Base64StdEncode</big>** : 将字符串 base64 编码。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#Base64StdEncode)]
[[play](https://go.dev/play/p/VOaUyQUreoK)]
@@ -614,13 +614,13 @@ import "github.com/duke-git/lancet/v2/datetime"
[[play](https://go.dev/play/p/A9Oq_COrcCF)]
- **<big>TrackFuncTime</big>** : 测试函数执行时间。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#TrackFuncTime)]
[[play](todo)]
[[play](https://go.dev/play/p/QBSEdfXHPTp)]
- **<big>DaysBetween</big>** : 返回两个日期之间的天数差。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#DaysBetween)]
[[play](todo)]
[[play](https://go.dev/play/p/qD6qGb3TbOy)]
- **<big>GenerateDatetimesBetween</big>** : 生成从start到end的所有日期时间的字符串列表。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#GenerateDatetimesBetween)]
[[play](todo)]
[[play](https://go.dev/play/p/6kHBpAxD9ZC)]
<h3 id="datastructure"> 8. datastructure 包含一些普通的数据结构实现。例如list, linklist, stack, queue, set, tree, graph。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -814,10 +814,10 @@ import "github.com/duke-git/lancet/v2/function"
[[play](https://go.dev/play/p/absuEGB_GN7)]
- **<big>Debounce</big>** : 创建一个函数的去抖动版本。该去抖动函数仅在上次调用后的指定延迟时间过去之后才会调用原始函数。支持取消去抖动。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/function.md#Debounce)]
[[play](todo)]
[[play](https://go.dev/play/p/-dGFrYn_1Zi)]
- **<big>Throttle</big>** : 创建一个函数的节流版本。返回的函数保证在每个时间间隔内最多只会被调用一次。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/function.md#Throttle)]
[[play](todo)]
[[play](https://go.dev/play/p/HpoMov-tJSN)]
- **<big>Schedule</big>** : 每次持续时间调用函数,直到关闭返回的 channel。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/function.md#Schedule)]
[[play](https://go.dev/play/p/hbON-Xeyn5N)]
@@ -939,58 +939,58 @@ import "github.com/duke-git/lancet/v2/maputil"
[[play](https://go.dev/play/p/0nlPo6YLdt3)]
- **<big>NewOrderedMap</big>** : 创建有序映射。有序映射是键值对的集合,其中键是唯一的,并且保留键插入的顺序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#NewOrderedMap)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Set</big>** : 设置给定的键值对。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Set)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Get</big>** : 返回给定键的值。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Get)]
[[play](todo)]
[[play](https://go.dev/play/p/Y4ZJ_oOc1FU)]
- **<big>OrderedMap_Delete</big>** : 删除给定键的键值对。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Delete)]
[[play](todo)]
[[play](ttps://go.dev/play/p/5bIi4yaZ3K-)]
- **<big>OrderedMap_Clear</big>** : 清空map数据。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Clear)]
[[play](todo)]
[[play](https://go.dev/play/p/8LwoJyEfuFr)]
- **<big>OrderedMap_Front</big>** : 返回第一个键值对。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Front)]
[[play](todo)]
[[play](https://go.dev/play/p/ty57XSimpoe)]
- **<big>OrderedMap_Back</big>** : 返回最后一个键值对。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Back)]
[[play](todo)]
[[play](https://go.dev/play/p/rQMjp1yQmpa)]
- **<big>OrderedMap_Range</big>** : 为每个键值对调用给定的函数。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Range)]
[[play](todo)]
[[play](https://go.dev/play/p/U-KpORhc7LZ)]
- **<big>OrderedMap_Keys</big>** : 按顺序返回键的切片。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Keys)]
[[play](todo)]
[[play](https://go.dev/play/p/Vv_y9ExKclA)]
- **<big>OrderedMap_Values</big>** : 按顺序返回值的切片。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Values)]
[[play](todo)]
[[play](https://go.dev/play/p/TWj5n1-PUfx)]
- **<big>OrderedMap_Elements</big>** : 按顺序返回键值对。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Elements)]
[[play](todo)]
[[play](https://go.dev/play/p/4BHG4kKz6bB)]
- **<big>OrderedMap_Len</big>** : 返回键值对的数量。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Len)]
[[play](todo)]
[[play](https://go.dev/play/p/cLe6z2VX5N-)]
- **<big>OrderedMap_Contains</big>** : 如果给定的键存在则返回true。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Contains)]
[[play](todo)]
[[play](https://go.dev/play/p/QuwqqnzwDNX)]
- **<big>OrderedMap_Iter</big>** : 返回按顺序产生键值对的通道。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_Iter)]
[[play](todo)]
[[play](https://go.dev/play/p/tlq2tdvicPt)]
- **<big>OrderedMap_ReverseIter</big>** : 返回以相反顺序产生键值对的通道。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_ReverseIter)]
[[play](todo)]
[[play](https://go.dev/play/p/8Q0ssg6hZzO)]
- **<big>OrderedMap_SortByKey</big>** : 使用传入的比较函数排序map key。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_SortByKey)]
[[play](todo)]
[[play](https://go.dev/play/p/N7hjD_alZPq)]
- **<big>OrderedMap_MarshalJSON</big>** : 实现json.Marshaler接口。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_MarshalJSON)]
[[play](todo)]
[[play](https://go.dev/play/p/C-wAwydIAC7)]
- **<big>OrderedMap_UnmarshalJSON</big>** : 实现json.Unmarshaler接口。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#OrderedMap_UnmarshalJSON)]
[[play](todo)]
[[play](https://go.dev/play/p/8C3MvJ3-mut)]
- **<big>NewConcurrentMap</big>** : ConcurrentMap 协程安全的 map 结构。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#NewConcurrentMap)]
[[play](https://go.dev/play/p/3PenTPETJT0)]
@@ -1017,10 +1017,10 @@ import "github.com/duke-git/lancet/v2/maputil"
[[play](https://go.dev/play/p/iqcy7P8P0Pr)]
- **<big>SortByKey</big>** : 对传入的map根据key进行排序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#SortByKey)]
[[play](todo)]
[[play](https://go.dev/play/p/PVdmBSnm6P_W)]
- **<big>GetOrDefault</big>** : 返回给定键的值,如果键不存在,则返回默认值。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#GetOrDefault)]
[[play](todo)]
[[play](https://go.dev/play/p/99QjSYSBdiM)]
<h3 id="mathutil"> 13. mathutil 包实现了一些数学计算的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -1265,22 +1265,22 @@ import "github.com/duke-git/lancet/v2/random"
[[play](https://go.dev/play/p/uBkRSOz73Ec)]
- **<big>RandStringSlice</big>** : 生成随机字符串slice。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandStringSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/2_-PiDv3tGn)]
- **<big>RandBool</big>** : 生成随机bool值(true or false)。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandBool)]
[[play](todo)]
[[play](https://go.dev/play/p/to6BLc26wBv)]
- **<big>RandBoolSlice</big>** : 生成特定长度的随机bool slice。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandBoolSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/o-VSjPjnILI)]
- **<big>RandIntSlice</big>** : 生成一个特定长度的随机int切片数值范围[min, max)。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandIntSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/GATTQ5xTEG8)]
- **<big>RandFromGivenSlice</big>** : 从给定切片中随机生成元素。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandFromGivenSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/UrkWueF6yYo)]
- **<big>RandSliceFromGivenSlice</big>** : 从给定切片中生成长度为 num 的随机切片。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandSliceFromGivenSlice)]
[[play](todo)]
[[play](https://go.dev/play/p/68UikN9d6VT)]
<h3 id="retry"> 17. retry 重试执行函数直到函数运行成功或被 context cancel。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -1420,7 +1420,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/DrPaa4YsHRF)]
- **<big>ForEachConcurrent</big>** : 对slice并发执行foreach操作。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ForEachConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/kT4XW7DKVoV)]
- **<big>ForEachWithBreak</big>** : 遍历切片的元素并为每个元素调用 iteratee 函数,当 iteratee 函数返回 false 时,终止遍历。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ForEachWithBreak)]
[[play](https://go.dev/play/p/qScs39f3D9W)]
@@ -1453,7 +1453,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/biaTefqPquw)]
- **<big>MapConcurrent</big>** : 对slice并发执行map操作。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#MapConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/H1ehfPkPen0)]
- **<big>Merge</big>** : 合并多个切片(不会消除重复元素)。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Merge)]
[[play](https://go.dev/play/p/lbjFp784r9N)]
@@ -1471,7 +1471,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/qT9dZC03A1K)]
- **<big>ReduceConcurrent</big>** : 对切片元素执行并发reduce操作。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ReduceConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/Tjwe6OtaG07)]
- **<big>Replace</big>** : 返回切片的副本,其中前 n 个不重叠的 old 替换为 new。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Replace)]
[[play](https://go.dev/play/p/P5mZp7IhOFo)]
@@ -1525,16 +1525,16 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/AXw0R3ZTE6a)]
- **<big>UniqueBy</big>** : 根据迭代函数返回的值,从输入切片中移除重复元素。此函数保持元素的顺序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#UniqueBy)]
[[play](https://go.dev/play/p/UR323iZLDpv)]
[[play](https://go.dev/play/p/GY7JE4yikrl)]
- **<big>UniqueByComparator</big>** : 使用提供的比较器函数从输入切片中移除重复元素。此函数保持元素的顺序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#UniqueByComparator)]
[[play](todo)]
[[play](https://go.dev/play/p/rwSacr-ZHsR)]
- **<big>UniqueByField</big>** : 根据struct字段对struct切片去重复。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#UniqueByField)]
[[play](https://go.dev/play/p/6cifcZSPIGu)]
- **<big>UniqueByConcurrent</big>** : 并发的从输入切片中移除重复元素,结果保持元素的顺序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#UniqueByConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/wXZ7LcYRMGL)]
- **<big>Union</big>** : 合并多个切片。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Union)]
[[play](https://go.dev/play/p/hfXV1iRIZOf)]
@@ -1571,7 +1571,7 @@ import "github.com/duke-git/lancet/v2/slice"
[[play](https://go.dev/play/p/jlQVoelLl2k)]
- **<big>Frequency</big>** : 计算切片中每个元素出现的频率。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Frequency)]
[[play](todo)]
[[play](https://go.dev/play/p/CW3UVNdUZOq)]
<h3 id="stream"> 19. stream 流,该包仅验证简单的 stream 实现,功能有限。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -1608,7 +1608,7 @@ import "github.com/duke-git/lancet/v2/stream"
[[play](https://go.dev/play/p/MFlSANo-buc)]
- **<big>FilterConcurrent</big>** : 对slice并发执行filter操作。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#FilterConcurrent)]
[[play](todo)]
[[play](https://go.dev/play/p/t_pkwerIRVx)]
- **<big>Map</big>** : 返回一个 stream该 stream 由将给定函数应用于源 stream 元素的元素组成。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#Map)]
[[play](https://go.dev/play/p/OtNQUImdYko)]
@@ -1832,19 +1832,22 @@ import "github.com/duke-git/lancet/v2/strutil"
[[play](https://go.dev/play/p/glNdQEA9HUi)]
- **<big>Concat</big>** : 拼接字符串。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#Concat)]
[[play](todo)]
[[play](https://go.dev/play/p/gD52SZHr4Kp)]
- **<big>Ellipsis</big>** : 将字符串截断到指定长度,并在末尾添加省略号。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#Ellipsis)]
[[play](todo)]
[[play](https://go.dev/play/p/i1vbdQiQVRR)]
- **<big>Shuffle</big>** : 打乱给定字符串中的字符顺序。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#Shuffle)]
[[play](todo)]
[[play](https://go.dev/play/p/iStFwBwyGY7)]
- **<big>Rotate</big>** : 按指定的字符数旋转字符串。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#Rotate)]
[[play](todo)]
[[play](https://go.dev/play/p/Kf03iOeT5bd)]
- **<big>TemplateReplace</big>** : 将模板字符串中的占位符替换为map中的相应值。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#TemplateReplace)]
[[play](todo)]
[[play](https://go.dev/play/p/cXSuFvyZqv9)]
- **<big>RegexMatchAllGroups</big>** : 使用正则表达式匹配字符串中的所有子组并返回结果。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#RegexMatchAllGroups)]
[[play](https://go.dev/play/p/JZiu0RXpgN-)]
<h3 id="system"> 22. system 包含 os, runtime, shell command 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -1883,16 +1886,16 @@ import "github.com/duke-git/lancet/v2/system"
[[play](https://go.dev/play/p/ml-_XH3gJbW)]
- **<big>StartProcess</big>** :创建进程。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/system.md#StartProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/5GVol6ryS_X)]
- **<big>StopProcess</big>** : 停止进程。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/system.md#StopProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/jJZhRYGGcmD)]
- **<big>KillProcess</big>** : 杀掉进程。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/system.md#KillProcess)]
[[play](todo)]
[[play](https://go.dev/play/p/XKmvV-ExBWa)]
- **<big>GetProcessInfo</big>** : 根据进程id获取进程信息。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/system.md#GetProcessInfo)]
[[play](todo)]
[[play](https://go.dev/play/p/NQDVywEYYx7)]

View File

@@ -44,7 +44,7 @@ func (l *LRUCache[K, V]) Get(key K) (V, bool) {
node, ok := l.cache[key]
if ok {
l.moveToHead(node)
l.moveToTail(node)
return node.value, true
}
@@ -66,7 +66,7 @@ func (l *LRUCache[K, V]) Put(key K, value V) {
}
} else {
node.value = value
l.moveToHead(node)
l.moveToTail(node)
}
l.length = len(l.cache)
}
@@ -79,7 +79,7 @@ func (l *LRUCache[K, V]) Delete(key K) bool {
delete(l.cache, key)
return true
}
l.length = len(l.cache)
return false
}
@@ -112,7 +112,7 @@ func (l *LRUCache[K, V]) deleteNode(node *lruNode[K, V]) K {
return node.key
}
func (l *LRUCache[K, V]) moveToHead(node *lruNode[K, V]) {
func (l *LRUCache[K, V]) moveToTail(node *lruNode[K, V]) {
if l.tail == node {
return
}

View File

@@ -8,7 +8,7 @@ import (
func TestLRUCache(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestLRUCache")
assert := internal.NewAssert(t, "TestLRUCache")
cache := NewLRUCache[int, int](3)
@@ -16,19 +16,19 @@ func TestLRUCache(t *testing.T) {
cache.Put(2, 2)
cache.Put(3, 3)
asssert.Equal(3, cache.Len())
assert.Equal(3, cache.Len())
v, ok := cache.Get(1)
asssert.Equal(true, ok)
asssert.Equal(1, v)
assert.Equal(true, ok)
assert.Equal(1, v)
v, ok = cache.Get(2)
asssert.Equal(true, ok)
asssert.Equal(2, v)
assert.Equal(true, ok)
assert.Equal(2, v)
ok = cache.Delete(2)
asssert.Equal(true, ok)
assert.Equal(true, ok)
_, ok = cache.Get(2)
asssert.Equal(false, ok)
assert.Equal(false, ok)
}

View File

@@ -8,34 +8,34 @@ import (
func TestLinearSearch(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestLinearSearch")
assert := internal.NewAssert(t, "TestLinearSearch")
numbers := []int{3, 4, 5, 3, 2, 1}
equalFunc := func(a, b int) bool {
return a == b
}
asssert.Equal(0, LinearSearch(numbers, 3, equalFunc))
asssert.Equal(-1, LinearSearch(numbers, 6, equalFunc))
assert.Equal(0, LinearSearch(numbers, 3, equalFunc))
assert.Equal(-1, LinearSearch(numbers, 6, equalFunc))
}
func TestBinarySearch(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestBinarySearch")
assert := internal.NewAssert(t, "TestBinarySearch")
sortedNumbers := []int{1, 2, 3, 4, 5, 6, 7, 8}
comparator := &intComparator{}
asssert.Equal(4, BinarySearch(sortedNumbers, 5, 0, len(sortedNumbers)-1, comparator))
asssert.Equal(-1, BinarySearch(sortedNumbers, 9, 0, len(sortedNumbers)-1, comparator))
assert.Equal(4, BinarySearch(sortedNumbers, 5, 0, len(sortedNumbers)-1, comparator))
assert.Equal(-1, BinarySearch(sortedNumbers, 9, 0, len(sortedNumbers)-1, comparator))
}
func TestBinaryIterativeSearch(t *testing.T) {
asssert := internal.NewAssert(t, "TestBinaryIterativeSearch")
assert := internal.NewAssert(t, "TestBinaryIterativeSearch")
sortedNumbers := []int{1, 2, 3, 4, 5, 6, 7, 8}
comparator := &intComparator{}
asssert.Equal(4, BinaryIterativeSearch(sortedNumbers, 5, 0, len(sortedNumbers)-1, comparator))
asssert.Equal(-1, BinaryIterativeSearch(sortedNumbers, 9, 0, len(sortedNumbers)-1, comparator))
assert.Equal(4, BinaryIterativeSearch(sortedNumbers, 5, 0, len(sortedNumbers)-1, comparator))
assert.Equal(-1, BinaryIterativeSearch(sortedNumbers, 9, 0, len(sortedNumbers)-1, comparator))
}

View File

@@ -47,7 +47,7 @@ func (c *intComparator) Compare(v1 any, v2 any) int {
func TestBubbleSortForStructSlice(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestBubbleSortForStructSlice")
assert := internal.NewAssert(t, "TestBubbleSortForStructSlice")
peoples := []people{
{Name: "a", Age: 20},
@@ -62,23 +62,23 @@ func TestBubbleSortForStructSlice(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestBubbleSortForIntSlice(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestBubbleSortForIntSlice")
assert := internal.NewAssert(t, "TestBubbleSortForIntSlice")
numbers := []int{2, 1, 5, 3, 6, 4}
comparator := &intComparator{}
BubbleSort(numbers, comparator)
asssert.Equal([]int{1, 2, 3, 4, 5, 6}, numbers)
assert.Equal([]int{1, 2, 3, 4, 5, 6}, numbers)
}
func TestInsertionSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestInsertionSort")
assert := internal.NewAssert(t, "TestInsertionSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -93,12 +93,12 @@ func TestInsertionSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestSelectionSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestSelectionSort")
assert := internal.NewAssert(t, "TestSelectionSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -113,12 +113,12 @@ func TestSelectionSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestShellSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestShellSort")
assert := internal.NewAssert(t, "TestShellSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -133,12 +133,12 @@ func TestShellSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestQuickSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestQuickSort")
assert := internal.NewAssert(t, "TestQuickSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -153,12 +153,12 @@ func TestQuickSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestHeapSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestHeapSort")
assert := internal.NewAssert(t, "TestHeapSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -173,12 +173,12 @@ func TestHeapSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestMergeSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestMergeSort")
assert := internal.NewAssert(t, "TestMergeSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -193,12 +193,12 @@ func TestMergeSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}
func TestCountSort(t *testing.T) {
t.Parallel()
asssert := internal.NewAssert(t, "TestCountSort")
assert := internal.NewAssert(t, "TestCountSort")
peoples := []people{
{Name: "a", Age: 20},
@@ -213,5 +213,5 @@ func TestCountSort(t *testing.T) {
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", sortedPeopleByAge)
asssert.Equal(expected, actual)
assert.Equal(expected, actual)
}

View File

@@ -72,10 +72,17 @@ func Nand[T, U any](a T, b U) bool {
// TernaryOperator checks the value of param `isTrue`, if true return ifValue else return elseValue.
// Play: https://go.dev/play/p/ElllPZY0guT
func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U {
func Ternary[T, U any](isTrue T, ifValue U, elseValue U) U {
if Bool(isTrue) {
return ifValue
} else {
return elseValue
}
}
// TernaryOperator checks the value of param `isTrue`, if true return ifValue else return elseValue.
// Play: https://go.dev/play/p/ElllPZY0guT
// Deprecated: Use Ternary instead.
func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U {
return Ternary(isTrue, ifValue, elseValue)
}

View File

@@ -148,13 +148,13 @@ func ExampleNand() {
// false
}
func ExampleTernaryOperator() {
func ExampleTernary() {
conditionTrue := 2 > 1
result1 := TernaryOperator(conditionTrue, 0, 1)
result1 := Ternary(conditionTrue, 0, 1)
fmt.Println(result1)
conditionFalse := 2 > 3
result2 := TernaryOperator(conditionFalse, 0, 1)
result2 := Ternary(conditionFalse, 0, 1)
fmt.Println(result2)
// Output:

View File

@@ -124,13 +124,13 @@ func TestNand(t *testing.T) {
assert.Equal(false, Nand(1, 1))
}
func TestTernaryOperator(t *testing.T) {
func TestTernary(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TernaryOperator")
assert := internal.NewAssert(t, "TestTernary")
trueValue := "1"
falseValue := "0"
assert.Equal(trueValue, TernaryOperator(true, trueValue, falseValue))
assert.Equal(trueValue, Ternary(true, trueValue, falseValue))
}

View File

@@ -8,16 +8,20 @@ package cryptor
import (
"bytes"
"crypto"
"crypto/aes"
"crypto/cipher"
"crypto/des"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/sha512"
"crypto/x509"
"encoding/pem"
"errors"
"io"
"os"
"strings"
)
// AesEcbEncrypt encrypt data with key use AES ECB algorithm
@@ -245,7 +249,7 @@ func AesOfbDecrypt(data, key []byte) []byte {
}
// AesGcmEncrypt encrypt data with key use AES GCM algorithm
// Play: todo
// Play: https://go.dev/play/p/rUt0-DmsPCs
func AesGcmEncrypt(data, key []byte) []byte {
block, err := aes.NewCipher(key)
if err != nil {
@@ -268,7 +272,7 @@ func AesGcmEncrypt(data, key []byte) []byte {
}
// AesGcmDecrypt decrypt data with key use AES GCM algorithm
// Play: todo
// Play: https://go.dev/play/p/rUt0-DmsPCs
func AesGcmDecrypt(data, key []byte) []byte {
block, err := aes.NewCipher(key)
if err != nil {
@@ -591,6 +595,7 @@ func RsaEncrypt(data []byte, pubKeyFileName string) []byte {
if err != nil {
panic(err)
}
return cipherText
}
@@ -624,6 +629,7 @@ func RsaDecrypt(data []byte, privateKeyFileName string) []byte {
if err != nil {
panic(err)
}
return plainText
}
@@ -655,3 +661,150 @@ func RsaDecryptOAEP(ciphertext []byte, label []byte, key rsa.PrivateKey) ([]byte
return decryptedBytes, nil
}
// RsaSign signs the data with RSA.
// Play: todo
func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error) {
privateKey, err := loadRasPrivateKey(privateKeyFileName)
if err != nil {
return nil, err
}
hashed, err := hashData(hash, data)
if err != nil {
return nil, err
}
return rsa.SignPKCS1v15(rand.Reader, privateKey, hash, hashed)
}
// RsaVerifySign verifies the signature of the data with RSA.
// Play: todo
func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error {
publicKey, err := loadRsaPublicKey(pubKeyFileName)
if err != nil {
return err
}
hashed, err := hashData(hash, data)
if err != nil {
return err
}
return rsa.VerifyPKCS1v15(publicKey, hash, hashed, signature)
}
// loadRsaPrivateKey loads and parses a PEM encoded private key file.
func loadRsaPublicKey(filename string) (*rsa.PublicKey, error) {
pubKeyData, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
block, _ := pem.Decode(pubKeyData)
if block == nil {
return nil, errors.New("failed to decode PEM block containing the public key")
}
var pubKey *rsa.PublicKey
blockType := strings.ToUpper(block.Type)
if blockType == "RSA PUBLIC KEY" {
pubKey, err = x509.ParsePKCS1PublicKey(block.Bytes)
if err != nil {
// todo: here should be a bug, should return nil, err
key, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
var ok bool
pubKey, ok = key.(*rsa.PublicKey)
if !ok {
return nil, errors.New("failed to parse RSA private key")
}
}
} else if blockType == "PUBLIC KEY" {
key, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
var ok bool
pubKey, ok = key.(*rsa.PublicKey)
if !ok {
return nil, errors.New("failed to parse RSA private key")
}
} else {
return nil, errors.New("unsupported key type")
}
return pubKey, nil
}
// loadRsaPrivateKey loads and parses a PEM encoded private key file.
func loadRasPrivateKey(filename string) (*rsa.PrivateKey, error) {
priKeyData, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
block, _ := pem.Decode(priKeyData)
if block == nil {
return nil, errors.New("failed to decode PEM block containing the private key")
}
var privateKey *rsa.PrivateKey
blockType := strings.ToUpper(block.Type)
// PKCS#1 format
if blockType == "RSA PRIVATE KEY" {
privateKey, err = x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
} else if blockType == "PRIVATE KEY" { // PKCS#8 format
priKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
var ok bool
privateKey, ok = priKey.(*rsa.PrivateKey)
if !ok {
return nil, errors.New("failed to parse RSA private key")
}
} else {
return nil, errors.New("unsupported key type")
}
return privateKey, nil
}
// hashData returns the hash value of the data, using the specified hash function
func hashData(hash crypto.Hash, data []byte) ([]byte, error) {
if !hash.Available() {
return nil, errors.New("unsupported hash algorithm")
}
var hashed []byte
switch hash {
case crypto.SHA224:
h := sha256.Sum224(data)
hashed = h[:]
case crypto.SHA256:
h := sha256.Sum256(data)
hashed = h[:]
case crypto.SHA384:
h := sha512.Sum384(data)
hashed = h[:]
case crypto.SHA512:
h := sha512.Sum512(data)
hashed = h[:]
default:
return nil, errors.New("unsupported hash algorithm")
}
return hashed, nil
}

View File

@@ -1,6 +1,7 @@
package cryptor
import (
"crypto"
"fmt"
)
@@ -284,7 +285,7 @@ func ExampleDesOfbDecrypt() {
func ExampleGenerateRsaKey() {
// Create ras private and public pem file
err := GenerateRsaKey(4096, "rsa_private.pem", "rsa_public.pem")
err := GenerateRsaKey(4096, "rsa_private_example.pem", "rsa_public_example.pem")
if err != nil {
return
}
@@ -297,14 +298,14 @@ func ExampleGenerateRsaKey() {
func ExampleRsaEncrypt() {
// Create ras private and public pem file
err := GenerateRsaKey(4096, "rsa_private.pem", "rsa_public.pem")
err := GenerateRsaKey(4096, "rsa_private_example.pem", "rsa_public_example.pem")
if err != nil {
return
}
data := []byte("hello")
encrypted := RsaEncrypt(data, "rsa_public.pem")
decrypted := RsaDecrypt(encrypted, "rsa_private.pem")
encrypted := RsaEncrypt(data, "rsa_public_example.pem")
decrypted := RsaDecrypt(encrypted, "rsa_private_example.pem")
fmt.Println(string(decrypted))
@@ -314,14 +315,14 @@ func ExampleRsaEncrypt() {
func ExampleRsaDecrypt() {
// Create ras private and public pem file
err := GenerateRsaKey(4096, "rsa_private.pem", "rsa_public.pem")
err := GenerateRsaKey(4096, "rsa_private_example.pem", "rsa_public_example.pem")
if err != nil {
return
}
data := []byte("hello")
encrypted := RsaEncrypt(data, "rsa_public.pem")
decrypted := RsaDecrypt(encrypted, "rsa_private.pem")
encrypted := RsaEncrypt(data, "rsa_public_example.pem")
decrypted := RsaDecrypt(encrypted, "rsa_private_example.pem")
fmt.Println(string(decrypted))
@@ -536,3 +537,49 @@ func ExampleRsaEncryptOAEP() {
// Output:
// hello world
}
func ExampleRsaSign() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private_example.pem"
publicKey := "./rsa_public_example.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
fmt.Println("ok")
// Output:
// ok
}
func ExampleRsaVerifySign() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private_example.pem"
publicKey := "./rsa_public_example.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
fmt.Println("ok")
// Output:
// ok
}

View File

@@ -1,6 +1,7 @@
package cryptor
import (
"crypto"
"testing"
"github.com/duke-git/lancet/v2/internal"
@@ -139,13 +140,13 @@ func TestDesOfbEncrypt(t *testing.T) {
func TestRsaEncrypt(t *testing.T) {
t.Parallel()
err := GenerateRsaKey(4096, "rsa_private.pem", "rsa_public.pem")
err := GenerateRsaKey(4096, "./rsa_private_example.pem", "./rsa_public_example.pem")
if err != nil {
t.FailNow()
}
data := []byte("hello world")
encrypted := RsaEncrypt(data, "rsa_public.pem")
decrypted := RsaDecrypt(encrypted, "rsa_private.pem")
encrypted := RsaEncrypt(data, "./rsa_public_example.pem")
decrypted := RsaDecrypt(encrypted, "./rsa_private_example.pem")
assert := internal.NewAssert(t, "TestRsaEncrypt")
assert.Equal(string(data), string(decrypted))
@@ -170,7 +171,6 @@ func TestRsaEncryptOAEP(t *testing.T) {
}
func TestAesGcmEncrypt(t *testing.T) {
t.Parallel()
data := "hello world"
@@ -182,3 +182,53 @@ func TestAesGcmEncrypt(t *testing.T) {
assert := internal.NewAssert(t, "TestAesGcmEncrypt")
assert.Equal(data, string(decrypted))
}
func TestRsaSignAndVerify(t *testing.T) {
t.Parallel()
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
t.Run("RSA Sign and Verify", func(t *testing.T) {
privateKey := "./rsa_private_example.pem"
publicKey := "./rsa_public_example.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
t.Fatalf("RsaSign failed: %v", err)
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
t.Fatalf("RsaVerifySign failed: %v", err)
}
})
t.Run("RSA Sign and Verify Invalid Signature", func(t *testing.T) {
publicKey := "./rsa_public_example.pem"
invalidSig := []byte("InvalidSignature")
err := RsaVerifySign(hash, data, invalidSig, publicKey)
if err == nil {
t.Fatalf("RsaVerifySign failed: %v", err)
}
})
t.Run("RSA Sign and Verify With Different Hash", func(t *testing.T) {
publicKey := "./rsa_public_example.pem"
privateKey := "./rsa_private_example.pem"
hashSign := crypto.SHA256
hashVerify := crypto.SHA512
signature, err := RsaSign(hashSign, data, privateKey)
if err != nil {
t.Fatalf("RsaSign failed: %v", err)
}
err = RsaVerifySign(hashVerify, data, signature, publicKey)
if err == nil {
t.Fatalf("RsaVerifySign failed: %v", err)
}
})
}

View File

@@ -0,0 +1,51 @@
-----BEGIN rsa private key-----
MIIJKQIBAAKCAgEA3bRSY5GD7uJB3jvwqa9ZZFpN3uLIGbbPA+yiyf6tJZp3K3rm
kVFfEcWqtK1EfHvd9G4rqLYJ9ZcohDZgD/WwmqJtaaWh2/7feMPaitp50bYVilpP
haxULx+MIjQn3XXowYvr4fX7N052t4IC95tAanPEEwZRQJOVMtibAxwI/ofUOCpT
PtuK3AoErDxS18JPgjQ34yY4Jsch0de53+SjTk+bJpLUlnY4brm+A23FhwTlE5nj
rKA+Texrg52KJ8aPhLuVQBcZP1SJsxv2PZruuD+0xfLDRrZ7BOTpun+1FBhdlxBe
fIfBQbBBfy7STw+ignTaO+IRIHhcqKZ+12Na+4GAusmpSiB3LATy82h0nB0PX3hS
OLYmFI61px4l/yM50E4brF1NFtd/BpoozZajgxjJaznuZXFQ1YSG0JjCeszqdzU+
6dexGTr+4Lr87NfLekmUX1nZYy/E5lST65lGlI4hX1nR5+nVN9ALRYByNz6oJd0I
fF4dhoNlGPc1VksskeY8rPZwXITbSifAN7zvEiwKreFV3t0BLKsvWRu9GdpWy+d2
AmelXkNm+QaH2mPM17euMoNZVyzizrZaJkh/aHO/UgY1/y7sXFl4akC9hk9ILONC
Un6FVI4BXMXb5kZgwDk5tWE5A159LtC579yGcnxyc9Y9NNFOGrqFqPiu6QUCAwEA
AQKCAgEAu92HSxQNhil3w0drgX4y85SKE+p7wT5lYV/t+dizBABGJzP3mQAo3Thw
lLWWKR4VUIDiwg2vlspF7PLep+d7hS1KJZHS/EaXOxBLagoD3C69RgWNCSqkE2Ja
LsmfVkwJtahJc6oq/AyjEJE8znBiP1JlvfFGfMASV4mwoQvqmzSiIg3LiKIkopxi
pUhgsq/XC/APw42pW0K2Z8izmwN1VnCieidFuVHoM/t1BhbIoMcHDnsCsE8BPKqv
2FFwto/NIZ6KtEpefIm4PWveVwmoa7ygBHTYAF21FMqdPAnneWXEOLQIPOIUYwNm
HM2iLJiFDqLSIphIBwm3Cro7FWz9tDjVSMQ84D/f5wmgCQswIGoRfWDwlCn4mTs1
vk7Zsn8aoSDWp5mdA1JiFBDiJ5SrKzr7kRTSeB/5BeZvJ5O0DTLKQVb7dzZ8bgW6
A3uue+wAvnrvrF/LOdChBS37aqVA+zaMvBd+WZm2kdBNnoDt3+4pK7VGbuh5Ybya
uOJ2mwqrp/amfq/K325fR5LEit8xKmuwTer90i86Epy475IOgWD6obNlkSD2QiGD
o2PelMInUpyZ389GLNYpRcK8s7B1sif5nsmJ1uV3tMBZUpZ8uaprJ2H9+4I+S81l
cqlEXBZotrQqAQRn+iVO2gupvth2L4DcY0sXn6Nk88YV8wioQcECggEBAP204U/E
+hzY4Hqu4Qlt5HAp+FYwzF2/rZLdk30te91JvUbCAdVNFkF9BABImjyoHLgYK/LY
QAOZu65MMisctDu/v+wWxEIQhqWCmkh2O8rXvnWTUYqoAH3cSuRHTFnxBKk2jdob
63cHCTj7ibVqW8QlfF+NsEMAaX9MRNVDdL9hSLPFgFNV2Vp2sAsOmXuFgM3867B/
1G+MzGQ4dtpliMl9XPu0/fQRubdKyZIkMWx7sqDah9p38Tyxv/6YHINHkQEnxBhx
t+2qwdMPBar7a7oRvMRbuk6k79eJMv5i+uGsE44cpxA3XWyDRxTPsGJF3b7hYKHo
UyISsPdxnn3S5dkCggEBAN+1YhzLUOesUFh+YevZkjALh0L2MAKGfXZELa46fbgl
DIgHZdgbKKqPoUi0os2cSo1k+SuTzf9ONduNk5m/G11mxY1N4bNx60/6mKQseHx6
bfOsMzvr1bgU9qSxAH4OhelcgINXY2J+xEjKNHvqbwdMKBKpN45PngHWCQBcOyxE
TvLgQMC/HPFBh+5M5V4J+yYdf4lWBX/dalwZBcYRFem/w0oEr8kgxWEXta9LFkLC
qXkyjXl0fKBGnPwsn6zj99/YU+CBjeOoBdvuoUKJSGrV8ATEJKooHL8E9t2KD8nq
IjkjSGzv6ptRGQT/5KePzhTZVACDaM+nlL+FU3DcBQ0CggEAGaGVhbaTwihS/XH/
gDFe+8nxsdt6OhpsUcMa7HGU6vVRLv3Yq5D/J5yWs+Sh2HDvfdXLUtxwEy0L3f8K
rnpW5xZnMFXYfAgpYj1AkwOG5OZI8p3whf6VFiIUWt2tJAUKgIHncNqTPlIyp1Qa
RH67SKS03P52iT5YaijtZ1JKUC9m5eqVHVY2AEKvZF6UOPty2NytfwZbEu35lEJ0
F3pciGam5zMQ2QCVb6QZmy8W4yvYDxIk2Xh2obgfenwpnUW0q5Y15HZQq60tqcIB
w5Vk+8Zg+MF/oARfyrmssjCTwgrdauUQJ75ALP9SRhL5ceQ3E9q3JYRQKcgTotwS
tAmDeQKCAQBclWHUjuSd7PeXmD6IcJQK5EqHkQHPmb+E2bSaHcT4GAU2qvEgXiUX
abgTMgcK1zsXh4mD2njvx3uMsOw8PhZiMm1iDLBzJpt/jzPrBiibQ8QLi+HsU68w
ryRghoywnuwW51ycfuc31UUA5waPnjdzKraO+o9ui07WbbFt/73RlTejVuIVo0Kk
Kj3KhvKKV9EkNiMZQIuoHoetNAHqthl+kwmMsaHauIBXrYtYz9eXq56d9SkN8gK+
BltkFkfDMtncP1h/Wr7RUDGUkw8UTWK2LHJYVqDh9xXmjHRqvX/JTef6A7susqBC
xW54XjtQibh9cnBMghY3kqCCHviohbZlAoIBAQCg+hW7o6kwyFa7Ahioaq05jZkc
FA/2reCv2jgU16JkyLcnSQffpLlkWxDOL+ae40YVJDldvzTBZBsDxfqaZzZL2ddQ
HuT3H28z5byMq72FTOxQo6E0H6K5RW1edAN8IW9u5weAFAka3Qsvvy23P5ZajiRR
hTRrIFR5+Nv888MuZ9UDfKdQIlahMvqUqE+//tqXSzL18aFB1ufYh6A8bvtB+Yrm
5GzCMXhD87QoeV4+tRVUmYrBF9uIusiBMoM6tpY6/abQMyYSZh+7cYNJDETKmZP7
HFzdr7uQkoog+LH4C2ZlIrBA7Hv7uJVrkY5BKg825Bg41UUjZrD2knsK3yyZ
-----END rsa private key-----

View File

@@ -0,0 +1,14 @@
-----BEGIN rsa public key-----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-----END rsa public key-----

View File

@@ -385,7 +385,7 @@ func TimestampNano(timezone ...string) int64 {
// TrackFuncTime track the time of function execution.
// call it at top of the func like `defer TrackFuncTime(time.Now())()`
// Play: todo
// Play: https://go.dev/play/p/QBSEdfXHPTp
func TrackFuncTime(pre time.Time) func() {
callerName := getCallerName()
return func() {
@@ -413,7 +413,7 @@ func getCallerName() string {
}
// DaysBetween returns the number of days between two times.
// Play: todo
// Play: https://go.dev/play/p/qD6qGb3TbOy
func DaysBetween(start, end time.Time) int {
duration := end.Sub(start)
days := int(duration.Hours() / 24)
@@ -424,7 +424,7 @@ func DaysBetween(start, end time.Time) int {
// GenerateDatetimesBetween returns a slice of strings between two times.
// layout: the format of the datetime string
// interval: the interval between two datetimes
// Play: todo
// Play: https://go.dev/play/p/6kHBpAxD9ZC
func GenerateDatetimesBetween(start, end time.Time, layout string, interval string) ([]string, error) {
var result []string
@@ -443,3 +443,50 @@ func GenerateDatetimesBetween(start, end time.Time, layout string, interval stri
return result, nil
}
// Min returns the earliest time among the given times.
// Play: todo
func Min(t1 time.Time, times ...time.Time) time.Time {
minTime := t1
for _, t := range times {
if t.Before(minTime) {
minTime = t
}
}
return minTime
}
// Max returns the latest time among the given times.
// Play: todo
func Max(t1 time.Time, times ...time.Time) time.Time {
maxTime := t1
for _, t := range times {
if t.After(maxTime) {
maxTime = t
}
}
return maxTime
}
// MaxMin returns the latest and earliest time among the given times.
// Play: todo
func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time) {
maxTime = t1
minTime = t1
for _, t := range times {
if t.Before(minTime) {
minTime = t
}
if t.After(maxTime) {
maxTime = t
}
}
return maxTime, minTime
}

View File

@@ -437,3 +437,32 @@ func ExampleGenerateDatetimesBetween() {
// [2024-09-01 00:00:00 2024-09-01 01:00:00 2024-09-01 02:00:00]
// <nil>
}
func ExampleMin() {
result := Min(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(result)
// Output:
// 2024-09-01 00:00:00 +0000 UTC
}
func ExampleMax() {
result := Max(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(result)
// Output:
// 2024-09-02 00:00:00 +0000 UTC
}
func ExampleMaxMin() {
max, min := MaxMin(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 3, 0, 0, 0, 0, time.UTC))
fmt.Println(max)
fmt.Println(min)
// Output:
// 2024-09-03 00:00:00 +0000 UTC
// 2024-09-01 00:00:00 +0000 UTC
}

View File

@@ -521,3 +521,60 @@ func TestGenerateDatetimesBetween(t *testing.T) {
}
})
}
func TestMin(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestMin")
zeroTime := time.Time{}
now := time.Now()
oneMinuteAgo := now.Add(-time.Minute)
oneMinuteAfter := now.Add(time.Minute)
assert.Equal(zeroTime, Min(zeroTime, now, oneMinuteAgo, oneMinuteAfter))
assert.Equal(zeroTime, Min(now, zeroTime))
assert.Equal(oneMinuteAgo, Min(oneMinuteAgo, now, oneMinuteAfter))
}
func TestMax(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestMax")
zeroTime := time.Time{}
now := time.Now()
oneMinuteAgo := now.Add(-time.Minute)
oneMinuteAfter := now.Add(time.Minute)
assert.Equal(oneMinuteAfter, Max(zeroTime, now, oneMinuteAgo, oneMinuteAfter))
assert.Equal(now, Max(now, zeroTime))
assert.Equal(oneMinuteAfter, Max(oneMinuteAgo, now, oneMinuteAfter))
}
func TestMaxMin(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestMinMax")
zeroTime := time.Time{}
now := time.Now()
oneMinuteAgo := now.Add(-time.Minute)
oneMinuteAfter := now.Add(time.Minute)
max, min := MaxMin(zeroTime, now, oneMinuteAgo, oneMinuteAfter)
assert.Equal(zeroTime, min)
assert.Equal(oneMinuteAfter, max)
max, min = MaxMin(now, zeroTime)
assert.Equal(zeroTime, min)
assert.Equal(now, max)
max, min = MaxMin(oneMinuteAgo, now, oneMinuteAfter)
assert.Equal(oneMinuteAgo, min)
assert.Equal(oneMinuteAfter, max)
}

View File

@@ -27,7 +27,8 @@ import (
- [Nor](#Nor)
- [Xnor](#Xnor)
- [Nand](#Nand)
- [TernaryOperator](#TernaryOperator)
- [Ternary](#Ternary)
- [TernaryOperator<sup>deprecated</sup>](#TernaryOperator)
<div STYLE="page-break-after: always;"></div>
@@ -257,9 +258,45 @@ func main() {
}
```
### <span id="Ternary">Ternary</span>
<p>三元运算符。</p>
<b>函数签名:</b>
```go
func Ternary[T, U any](isTrue T, ifValue U, elseValue U) U
```
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ElllPZY0guT)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
conditionTrue := 2 > 1
result1 := condition.Ternary(conditionTrue, 0, 1)
conditionFalse := 2 > 3
result2 := condition.Ternary(conditionFalse, 0, 1)
fmt.Println(result1)
fmt.Println(result2)
// Output:
// 0
// 1
}
```
### <span id="TernaryOperator">TernaryOperator</span>
<p>三元运算符</p>
> ⚠️ 本函数已弃用,使用`Ternary`代替。
<b>函数签名:</b>
```go

View File

@@ -70,6 +70,9 @@ import (
- [GenerateRsaKeyPair](#GenerateRsaKeyPair)
- [RsaEncryptOAEP](#RsaEncryptOAEP)
- [RsaDecryptOAEP](#RsaDecryptOAEP)
- [RsaSign](#RsaSign)
- [RsaVerifySign](#RsaVerifySign)
<div STYLE="page-break-after: always;"></div>
@@ -391,7 +394,7 @@ func main() {
func AesGcmEncrypt(data, key []byte) []byte
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rUt0-DmsPCs)</span></b>
```go
package main
@@ -425,7 +428,7 @@ func main() {
func AesGcmDecrypt(data, key []byte) []byte
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rUt0-DmsPCs)</span></b>
```go
package main
@@ -1607,3 +1610,81 @@ func main() {
// hello world
}
```
### <span id="RsaSign">RsaSign</span>
<p>应用RSA算法签名数据。</p>
<b>函数签名:</b>
```go
func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error)
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/cryptor"
)
func main() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private.pem"
publicKey := "./rsa_public.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
}
```
### <span id="RsaVerifySign">RsaVerifySign</span>
<p>验证数据的签名是否符合RSA算法。</p>
<b>函数签名:</b>
```go
func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/cryptor"
)
func main() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private.pem"
publicKey := "./rsa_public.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
}
```

View File

@@ -67,6 +67,9 @@ import (
- [TrackFuncTime](#TrackFuncTime)
- [DaysBetween](#DaysBetween)
- [GenerateDatetimesBetween](#GenerateDatetimesBetween)
- [Min](#Min)
- [Max](#Max)
- [MaxMin](#MaxMin)
<div STYLE="page-break-after: always;"></div>
@@ -1479,7 +1482,7 @@ func main() {
func TrackFuncTime(pre time.Time) func()
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/QBSEdfXHPTp)</span></b>
```go
package main
@@ -1511,7 +1514,7 @@ func main() {
func DaysBetween(start, end time.Time) int
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/qD6qGb3TbOy)</span></b>
```go
package main
@@ -1544,7 +1547,7 @@ func main() {
func GenerateDatetimesBetween(start, end time.Time, layout string, interval string) ([]string, error)
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/6kHBpAxD9ZC)</span></b>
```go
package main
@@ -1570,4 +1573,96 @@ func main() {
// [2024-09-01 00:00:00 2024-09-01 01:00:00 2024-09-01 02:00:00]
// <nil>
}
```
### <span id="Min">Min</span>
<p>返回最早时间。</p>
<b>函数签名:</b>
```go
func Min(t1 time.Time, times ...time.Time) time.Time
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
minTime := datetime.Min(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(minTime)
// Output:
// 2024-09-01 00:00:00 +0000 UTC
}
```
### <span id="Max">Max</span>
<p>返回最晚时间。</p>
<b>函数签名:</b>
```go
func Max(t1 time.Time, times ...time.Time) time.Time
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
maxTime := datetime.Min(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(maxTime)
// Output:
// 2024-09-02 00:00:00 +0000 UTC
}
```
### <span id="MaxMin">MaxMin</span>
<p>返回最早和最晚时间。</p>
<b>函数签名:</b>
```go
func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time)
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
max, min := datetime.MaxMin(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 3, 0, 0, 0, 0, time.UTC))
fmt.Println(max)
fmt.Println(min)
// Output:
// 2024-09-03 00:00:00 +0000 UTC
// 2024-09-01 00:00:00 +0000 UTC
}
```

View File

@@ -52,6 +52,7 @@ import (
- [ReadFile](#ReadFile)
- [ChunkRead](#ChunkRead)
- [ParallelChunkRead](#ParallelChunkRead)
- [GetExeOrDllVersion](#GetExeOrDllVersion)
<div STYLE="page-break-after: always;"></div>
@@ -559,7 +560,7 @@ import (
)
func main() {
err := fileutil.Zip("./test.zip", "./unzip/test.txt")
err := fileutil.UnZip("./test.zip", "./test.txt")
if err != nil {
fmt.Println(err)
}
@@ -1076,4 +1077,34 @@ func main() {
// Jim,21,male
// 2
}
```
### <span id="GetExeOrDllVersion">GetExeOrDllVersion</span>
<p>返回exe,dll文件版本号(仅Window平台).</p>
<b>函数签名:</b>
```go
func GetExeOrDllVersion(filePath string) (string, error)
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/fileutil"
)
func main() {
v, err := fileutil.GetExeOrDllVersion(`C:\Program Files\Tencent\WeChat\WeChat.exe`)
if err != nil {
panic(err)
}
fmt.Println(v)
// Output:
// 3.9.10.19
}
```

View File

@@ -205,7 +205,7 @@ func main() {
func Debounce(fn func(), delay time.Duration) (debouncedFn func(), cancelFn func())
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/-dGFrYn_1Zi)</span></b>
```go
package main
@@ -753,7 +753,7 @@ func main() {
func Throttle(fn func(), interval time.Duration) func()
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/HpoMov-tJSN)</span></b>
```go
package main

View File

@@ -1191,7 +1191,7 @@ func main() {
func (om *OrderedMap[K, V]) Set(key K, value V)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Y4ZJ_oOc1FU)</span></b>
```go
package main
@@ -1230,7 +1230,7 @@ func main() {
func (om *OrderedMap[K, V]) Get(key K) (V, bool)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Y4ZJ_oOc1FU)</span></b>
```go
package main
@@ -1270,7 +1270,7 @@ func main() {
func (om *OrderedMap[K, V]) Delete(key K)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/5bIi4yaZ3K-)</span></b>
```go
package main
@@ -1306,7 +1306,7 @@ func main() {
func (om *OrderedMap[K, V]) Clear()
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/8LwoJyEfuFr)</span></b>
```go
package main
@@ -1345,7 +1345,7 @@ func (om *OrderedMap[K, V]) Front() (struct {
}, bool)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ty57XSimpoe)</span></b>
```go
package main
@@ -1385,7 +1385,7 @@ func (om *OrderedMap[K, V]) Back() (struct {
}, bool)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rQMjp1yQmpa)</span></b>
```go
package main
@@ -1402,12 +1402,12 @@ func main() {
om.Set("b", 2)
om.Set("c", 3)
frontElement, ok := om.Front()
fmt.Println(frontElement)
backElement, ok := om.Back()
fmt.Println(backElement)
fmt.Println(ok)
// Output:
// {a 1}
// {c 3}
// true
}
```
@@ -1422,7 +1422,7 @@ func main() {
func (om *OrderedMap[K, V]) Range(iteratee func(key K, value V) bool)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/U-KpORhc7LZ)</span></b>
```go
package main
@@ -1461,7 +1461,7 @@ func main() {
func (om *OrderedMap[K, V]) Keys() []K
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Vv_y9ExKclA)</span></b>
```go
package main
@@ -1497,7 +1497,7 @@ func main() {
func (om *OrderedMap[K, V]) Values() []V
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/TWj5n1-PUfx)</span></b>
```go
package main
@@ -1533,7 +1533,7 @@ func main() {
func (om *OrderedMap[K, V]) Elements() []struct
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/4BHG4kKz6bB)</span></b>
```go
package main
@@ -1569,7 +1569,7 @@ func main() {
func (om *OrderedMap[K, V]) Len() int
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/cLe6z2VX5N-)</span></b>
```go
package main
@@ -1605,7 +1605,7 @@ func main() {
func (om *OrderedMap[K, V]) Contains(key K) bool
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/QuwqqnzwDNX)</span></b>
```go
package main
@@ -1647,7 +1647,7 @@ func (om *OrderedMap[K, V]) Iter() <-chan struct {
}
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/tlq2tdvicPt)</span></b>
```go
package main
@@ -1688,7 +1688,7 @@ func (om *OrderedMap[K, V]) ReverseIter() <-chan struct {
}
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/8Q0ssg6hZzO)</span></b>
```go
package main
@@ -1726,7 +1726,7 @@ func main() {
func (om *OrderedMap[K, V]) SortByKey(less func(a, b K) bool)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/N7hjD_alZPq)</span></b>
```go
package main
@@ -1737,7 +1737,7 @@ import (
)
func main() {
om := maputil.NewOrderedMap[string, int]()
om := maputil.NewOrderedMap[int, string]()
om.Set(3, "c")
om.Set(1, "a")
@@ -1765,7 +1765,7 @@ func main() {
func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/C-wAwydIAC7)</span></b>
```go
package main
@@ -1776,7 +1776,7 @@ import (
)
func main() {
om := maputil.NewOrderedMap[string, int]()
om := maputil.NewOrderedMap[int, string]()
om.Set(3, "c")
om.Set(1, "a")
@@ -1802,7 +1802,7 @@ func main() {
func (om *OrderedMap[K, V]) UnmarshalJSON(data []byte) error
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/8C3MvJ3-mut)</span></b>
```go
package main
@@ -1822,6 +1822,7 @@ func main() {
fmt.Println(om.Elements())
// Output:
// [{a 1} {b 2} {c 3}]
}
```
@@ -2239,7 +2240,7 @@ func main() {
func SortByKey[K constraints.Ordered, V any](m map[K]V) (sortedKeysMap map[K]V)
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/PVdmBSnm6P_W)</span></b>
```go
package main
@@ -2257,7 +2258,9 @@ func main() {
2: "b",
}
result := maputil.SortByKey(m)
result := maputil.SortByKey(m, func(a, b int) bool {
return a < b
})
fmt.Println(result)
@@ -2276,7 +2279,7 @@ func main() {
func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/99QjSYSBdiM)</span></b>
```go
package main

View File

@@ -40,6 +40,7 @@ import (
- [RandStringSlice](#RandStringSlice)
- [RandBool](#RandBool)
- [RandBoolSlice](#RandBoolSlice)
- [RandNumberOfLength](#RandNumberOfLength)
<div STYLE="page-break-after: always;"></div>
@@ -134,7 +135,7 @@ func main() {
func RandFromGivenSlice[T any](slice []T) T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/UrkWueF6yYo)</span></b>
```go
package main
@@ -161,7 +162,7 @@ func main() {
func RandSliceFromGivenSlice[T any](slice []T, num int, repeatable bool) []T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/68UikN9d6VT)</span></b>
```go
package main
@@ -172,9 +173,11 @@ import (
)
func main() {
goods := []string{"apple", "banana", "cherry", "elderberry", "fig", "grape", "honeydew", "kiwi", "lemon","mango", "nectarine", "orange"}
chosen3goods := random.RandSliceFromGivenSlice(goods, 3, false)
fmt.Println(chosen3goods)
goods := []string{"apple", "banana", "cherry", "elderberry", "fig", "grape", "honeydew", "kiwi", "lemon","mango", "nectarine", "orange"}
chosen3goods := random.RandSliceFromGivenSlice(goods, 3, false)
fmt.Println(chosen3goods)
}
```
@@ -347,7 +350,7 @@ func main() {
func RandIntSlice(length, min, max int) []int
```
<b>示例:</b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/GATTQ5xTEG8)</span></b>
```go
package main
@@ -451,7 +454,7 @@ func main() {
func RandStringSlice(charset string, sliceLen, strLen int) []string
```
<b>实例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>实例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/2_-PiDv3tGn)</span></b>
```go
package main
@@ -480,7 +483,7 @@ func main() {
func RandBool() bool
```
<b>实例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>实例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/to6BLc26wBv)</span></b>
```go
package main
@@ -506,7 +509,7 @@ func main() {
func RandBoolSlice(length int) []bool
```
<b>实例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>实例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/o-VSjPjnILI)</span></b>
```go
package main
@@ -520,4 +523,29 @@ func main() {
result := random.RandBoolSlice(2)
fmt.Println(result) // [true false] (random)
}
```
### <span id="RandNumberOfLength">RandNumberOfLength</span>
<p>生成指定长度的随机数</p>
<b>函数签名:</b>
```go
func RandNumberOfLength(len int) int
```
<b>实例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/random"
)
func main() {
i := random.RandNumberOfLength(2)
fmt.Println(i) // 21 (random number of length 2)
}
```

View File

@@ -106,6 +106,9 @@ import (
- [RightPadding](#RightPadding)
- [LeftPadding](#LeftPadding)
- [Frequency](#Frequency)
- [JoinFunc](#JoinFunc)
- [ConcatBy](#ConcatBy)
<div STYLE="page-break-after: always;"></div>
@@ -915,7 +918,7 @@ func main() {
func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool, numThreads int) []T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/t_pkwerIRVx)</span></b>
```go
import (
@@ -1192,7 +1195,7 @@ func main() {
func ForEachConcurrent[T any](slice []T, iteratee func(index int, item T), numThreads int)
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/kT4XW7DKVoV)</span></b>
```go
import (
@@ -1570,7 +1573,7 @@ func main() {
func MapConcurrent[T any, U any](slice []T, iteratee func(index int, item T) U, numThreads int) []U
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/H1ehfPkPen0)</span></b>
```go
import (
@@ -1771,7 +1774,7 @@ func main() {
func ReduceConcurrent[T any](slice []T, initial T, reducer func(index int, item T, agg T) T, numThreads int) T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Tjwe6OtaG07)</span></b>
```go
import (
@@ -2449,7 +2452,7 @@ func main() {
func UniqueBy[T any, U comparable](slice []T, iteratee func(item T) U) []T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/UR323iZLDpv)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/GY7JE4yikrl)</span></b>
```go
import (
@@ -2480,7 +2483,7 @@ func main() {
func UniqueByComparator[T comparable](slice []T, comparator func(item T, other T) bool) []T
```
<b>示例:</b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/rwSacr-ZHsR)</span></b>
```go
import (
@@ -2516,7 +2519,7 @@ func main() {
func UniqueByConcurrent[T comparable](slice []T, comparator func(item T, other T) bool, numThreads int) []T
```
<b>示例:</b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/wXZ7LcYRMGL)</span></b>
```go
import (
@@ -2967,7 +2970,7 @@ func main() {
func Frequency[T comparable](slice []T) map[T]int
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/CW3UVNdUZOq)</span></b>
```go
import (
@@ -2984,4 +2987,81 @@ func main() {
// Output:
// map[a:1 b:2 c:3]
}
```
### <span id="JoinFunc">JoinFunc</span>
<p>将切片元素用给定的分隔符连接成一个单一的字符串。</p>
<b>函数签名:</b>
```go
func JoinFunc[T any](slice []T, sep string, transform func(T) T) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/slice"
)
func main() {
result := slice.JoinFunc([]string{"a", "b", "c"}, ", ", func(s string) string {
return strings.ToUpper(s)
})
fmt.Println(result)
// Output:
// A, B, C
}
```
### <span id="ConcatBy">ConcatBy</span>
<p>将切片中的元素连接成一个值,使用指定的分隔符和连接器函数。</p>
<b>函数签名:</b>
```go
func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/slice"
)
func main() {
type Person struct {
Name string
Age int
}
people := []Person{
{Name: "Alice", Age: 30},
{Name: "Bob", Age: 25},
{Name: "Charlie", Age: 35},
}
sep := Person{Name: " | ", Age: 0}
personConnector := func(a, b Person) Person {
return Person{Name: a.Name + b.Name, Age: a.Age + b.Age}
}
result := slice.ConcatBy(people, sep, personConnector)
fmt.Println(result.Name)
fmt.Println(result.Age)
// Output:
// Alice | Bob | Charlie
// 90
}
```

View File

@@ -1,6 +1,6 @@
# Stream
Stream 流,该包仅验证简单 stream 实现,功能有限。
Stream流该包仅验证简单stream实现功能有限。
<div STYLE="page-break-after: always;"></div>
@@ -48,6 +48,8 @@ import (
- [NoneMatch](#NoneMatch)
- [Count](#Count)
- [ToSlice](#ToSlice)
- [IndexOf](#IndexOf)
- [LastIndexOf](#LastIndexOf)
<div STYLE="page-break-after: always;"></div>
@@ -938,3 +940,69 @@ func main() {
// [1 2 3]
}
```
### <span id="IndexOf">IndexOf</span>
<p>返回在stream中找到值的第一个匹配项的索引如果找不到值则返回-1。</p>
<b>函数签名:</b>
```go
func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/stream"
)
func main() {
s := stream.FromSlice([]int{1, 2, 3, 2})
result1 := s.IndexOf(0, func(a, b int) bool { return a == b })
result2 := s.IndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 1
}
```
### <span id="LastIndexOf">LastIndexOf</span>
<p>返回在stream中找到值的最后一个匹配项的索引如果找不到值则返回-1。</p>
<b>函数签名:</b>
```go
func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/stream"
)
func main() {
s := stream.FromSlice([]int{1, 2, 3, 2})
result1 := s.LastIndexOf(0, func(a, b int) bool { return a == b })
result2 := s.LastIndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 3
}
```

View File

@@ -68,6 +68,7 @@ import (
- [Rotate](#Rotate)
- [TemplateReplace](#TemplateReplace)
- [RegexMatchAllGroups](#RegexMatchAllGroups)
- [ExtractContent](#ExtractContent)
<div STYLE="page-break-after: always;"></div>
@@ -1547,7 +1548,7 @@ func main() {
func Concat(length int, str ...string) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/gD52SZHr4Kp)</span></b>
```go
import (
@@ -1556,10 +1557,10 @@ import (
)
func main() {
result1 := strutil.Concat(12, "Hello", " ", "World", "!")
result1 := strutil.Concat(12, "Hello", " ", "World", "!")
result2 := strutil.Concat(11, "Go", " ", "Language")
result3 := strutil.Concat(0, "An apple a ", "day", "keeps the", " doctor away")
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
@@ -1581,7 +1582,7 @@ func main() {
func Ellipsis(str string, length int) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/i1vbdQiQVRR)</span></b>
```go
import (
@@ -1615,7 +1616,7 @@ func main() {
func Shuffle(str string) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/iStFwBwyGY7)</span></b>
```go
import (
@@ -1639,7 +1640,7 @@ func main() {
func Rotate(str string, shift int) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Kf03iOeT5bd)</span></b>
```go
import (
@@ -1648,9 +1649,9 @@ import (
)
func main() {
result1 := Rotate("Hello", 0)
result2 := Rotate("Hello", 1)
result3 := Rotate("Hello", 2)
result1 := strutil.Rotate("Hello", 0)
result2 := strutil.Rotate("Hello", 1)
result3 := strutil.Rotate("Hello", 2)
fmt.Println(result1)
fmt.Println(result2)
@@ -1673,7 +1674,7 @@ func main() {
func TemplateReplace(template string, data map[string]string) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/cXSuFvyZqv9)</span></b>
```go
import (
@@ -1707,7 +1708,7 @@ func main() {
func RegexMatchAllGroups(pattern, str string) [][]string
```
<b>示例:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/JZiu0RXpgN-)</span></b>
```go
import (
@@ -1728,4 +1729,34 @@ func main() {
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}
```
### <span id="ExtractContent">ExtractContent</span>
<p>提取两个标记之间的内容。</p>
<b>函数签名:</b>
```go
func ExtractContent(s, start, end string) []string
```
<b>示例:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
html := `<span>content1</span>aa<span>content2</span>bb<span>content1</span>`
result := strutil.ExtractContent(html, "<span>", "</span>")
fmt.Println(result)
// Output:
// [content1 content2 content1]
}
```

View File

@@ -324,7 +324,7 @@ func main() {
func StartProcess(command string, args ...string) (int, error)
```
<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/5GVol6ryS_X)</span></b>
```go
import (
@@ -352,7 +352,7 @@ func main() {
func StopProcess(pid int) error
```
<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/jJZhRYGGcmD)</span></b>
```go
import (
@@ -386,7 +386,7 @@ func main() {
func KillProcess(pid int) error
```
<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/XKmvV-ExBWa)</span></b>
```go
import (
@@ -420,7 +420,7 @@ func main() {
func GetProcessInfo(pid int) (*ProcessInfo, error)
```
<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/NQDVywEYYx7)</span></b>
```go
import (

View File

@@ -35,6 +35,7 @@ import (
- [XError_Info](#XError_Info)
- [XError_Error](#XError_Error)
- [TryUnwrap](#TryUnwrap)
- [TryCatch](#TryCatch)
<div STYLE="page-break-after: always;"></div>
@@ -167,12 +168,12 @@ import (
func main() {
err1 := xerror.New("error").With("level", "high")
err2 := err1.Wrap(errors.New("invalid username"))
err2 := err1.Wrap(errors.New("invalid username"))
fmt.Println(err2.Error())
fmt.Println(err2.Error())
// Output:
// error: invalid username
// Output:
// error: invalid username
}
```
@@ -489,3 +490,56 @@ func main() {
// true
}
```
### <span id="TryCatch">TryCatch</span>
<p>简单实现的java风格异常处理try-catch-finally。try catch不符合go错误处理风格谨慎使用。</p>
<b>函数签名:</b>
```go
func NewTryCatch(ctx context.Context) *TryCatch
func (tc *TryCatch) Try(tryFunc func(ctx context.Context) error) *TryCatch
func (tc *TryCatch) Catch(catchFunc func(ctx context.Context, err error)) *TryCatch
func (tc *TryCatch) Finally(finallyFunc func(ctx context.Context)) *TryCatch
func (tc *TryCatch) Do()
```
<b>示例:<span style="float:right;display:inline-block">[运行](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/xerror"
)
func main() {
calledFinally := false
calledCatch := false
tc := xerror.NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
return errors.New("error in try block")
}).Catch(func(ctx context.Context, err error) {
calledCatch = true
// Error in try block at /path/xxx.go:{line_number} - Cause: error message
// fmt.Println(err.Error())
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
fmt.Println(calledCatch)
fmt.Println(calledFinally)
// Output:
// true
// true
}
```

View File

@@ -27,7 +27,8 @@ import (
- [Nor](#Nor)
- [Xnor](#Xnor)
- [Nand](#Nand)
- [TernaryOperator](#TernaryOperator)
- [Ternary](#Ternary)
- [TernaryOperator<sup>deprecated</sup>](#TernaryOperator)
<div STYLE="page-break-after: always;"></div>
@@ -269,9 +270,45 @@ func main() {
### <span id="Ternary">Ternary</span>
<p>Checks the value of param `isTrue`, if true return ifValue else return elseValue</p>
<b>Signature:</b>
```go
func Ternary[T, U any](isTrue T, ifValue U, elseValue U) U
```
<b>Example:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ElllPZY0guT)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
conditionTrue := 2 > 1
result1 := condition.Ternary(conditionTrue, 0, 1)
conditionFalse := 2 > 3
result2 := condition.Ternary(conditionFalse, 0, 1)
fmt.Println(result1)
fmt.Println(result2)
// Output:
// 0
// 1
}
```
### <span id="TernaryOperator">TernaryOperator</span>
<p>Checks the value of param `isTrue`, if true return ifValue else return elseValue</p>
> ⚠️ This function is deprecated. use `Ternary` instead.
<b>Signature:</b>
```go
@@ -307,4 +344,3 @@ func main() {

View File

@@ -70,6 +70,8 @@ import (
- [GenerateRsaKeyPair](#GenerateRsaKeyPair)
- [RsaEncryptOAEP](#RsaEncryptOAEP)
- [RsaDecryptOAEP](#RsaDecryptOAEP)
- [RsaSign](#RsaSign)
- [RsaVerifySign](#RsaVerifySign)
<div STYLE="page-break-after: always;"></div>
@@ -391,7 +393,7 @@ func main() {
func AesGcmEncrypt(data, key []byte) []byte
```
<b>Example:<span style="float:right;display:inline-block;">[Run]()</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/rUt0-DmsPCs)</span></b>
```go
package main
@@ -425,7 +427,7 @@ func main() {
func AesGcmDecrypt(data, key []byte) []byte
```
<b>Example:<span style="float:right;display:inline-block;">[Run]()</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/rUt0-DmsPCs)</span></b>
```go
package main
@@ -1061,13 +1063,13 @@ import (
func main() {
str := "hello"
key := "12345"
key := "12345"
hms := cryptor.HmacSha512WithBase64(str, key)
fmt.Println(hms)
hms := cryptor.HmacSha512WithBase64(str, key)
fmt.Println(hms)
// Output:
// 3Y8SkKndI9NU4lJtmi6c6M///dN8syCADRxsE9Lvw2Mog3ahlsVFja9T+OGqa0Wm2FYwPVwKIGS/+XhYYdSM/A==
// Output:
// 3Y8SkKndI9NU4lJtmi6c6M///dN8syCADRxsE9Lvw2Mog3ahlsVFja9T+OGqa0Wm2FYwPVwKIGS/+XhYYdSM/A==
}
```
@@ -1124,10 +1126,10 @@ import (
func main() {
md5Str := cryptor.Md5StringWithBase64("hello")
fmt.Println(md5Str)
fmt.Println(md5Str)
// Output:
// XUFAKrxLKna5cZ2REBfFkg==
// Output:
// XUFAKrxLKna5cZ2REBfFkg==
}
```
@@ -1153,10 +1155,10 @@ import (
func main() {
md5Str := cryptor.Md5Byte([]byte{'a'})
fmt.Println(md5Str)
fmt.Println(md5Str)
// Output:
// 0cc175b9c0f1b6a831c399e269772661
// Output:
// 0cc175b9c0f1b6a831c399e269772661
}
```
@@ -1182,10 +1184,10 @@ import (
func main() {
md5Str := cryptor.Md5ByteWithBase64([]byte("hello"))
fmt.Println(md5Str)
fmt.Println(md5Str)
// Output:
// XUFAKrxLKna5cZ2REBfFkg==
// Output:
// XUFAKrxLKna5cZ2REBfFkg==
}
```
@@ -1268,10 +1270,10 @@ import (
func main() {
result := cryptor.Sha1WithBase64("hello")
fmt.Println(result)
fmt.Println(result)
// Output:
// qvTGHdzF6KLavt4PO0gs2a6pQ00=
// Output:
// qvTGHdzF6KLavt4PO0gs2a6pQ00=
}
```
@@ -1328,10 +1330,10 @@ import (
func main() {
result := cryptor.Sha256WithBase64("hello")
fmt.Println(result)
fmt.Println(result)
// Output:
// LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ=
// Output:
// LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ=
}
```
@@ -1388,10 +1390,10 @@ import (
func main() {
result := cryptor.Sha512WithBase64("hello")
fmt.Println(result)
fmt.Println(result)
// Output:
// m3HSJL1i83hdltRq0+o9czGb+8KJDKra4t/3JRlnPKcjI8PZm6XBHXx6zG4UuMXaDEZjR1wuXDre9G9zvN7AQw==
// Output:
// m3HSJL1i83hdltRq0+o9czGb+8KJDKra4t/3JRlnPKcjI8PZm6XBHXx6zG4UuMXaDEZjR1wuXDre9G9zvN7AQw==
}
```
@@ -1607,3 +1609,81 @@ func main() {
// hello world
}
```
### <span id="RsaSign">RsaSign</span>
<p>Signs the data with RSA algorithm.</p>
<b>Signature:</b>
```go
func RsaSign(hash crypto.Hash, data []byte, privateKeyFileName string) ([]byte, error)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/cryptor"
)
func main() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private.pem"
publicKey := "./rsa_public.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
}
```
### <span id="RsaVerifySign">RsaVerifySign</span>
<p>Verifies the signature of the data with RSA algorithm.</p>
<b>Signature:</b>
```go
func RsaVerifySign(hash crypto.Hash, data, signature []byte, pubKeyFileName string) error
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/cryptor"
)
func main() {
data := []byte("This is a test data for RSA signing")
hash := crypto.SHA256
privateKey := "./rsa_private.pem"
publicKey := "./rsa_public.pem"
signature, err := RsaSign(hash, data, privateKey)
if err != nil {
return
}
err = RsaVerifySign(hash, data, signature, publicKey)
if err != nil {
return
}
}
```

View File

@@ -68,6 +68,9 @@ import (
- [TrackFuncTime](#TrackFuncTime)
- [DaysBetween](#DaysBetween)
- [GenerateDatetimesBetween](#GenerateDatetimesBetween)
- [Min](#Min)
- [Max](#Max)
- [MaxMin](#MaxMin)
<div STYLE="page-break-after: always;"></div>
@@ -1480,7 +1483,7 @@ func main() {
func TrackFuncTime(pre time.Time) func()
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/QBSEdfXHPTp)</span></b>
```go
package main
@@ -1512,7 +1515,7 @@ func main() {
func DaysBetween(start, end time.Time) int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/qD6qGb3TbOy)</span></b>
```go
package main
@@ -1545,7 +1548,7 @@ func main() {
func GenerateDatetimesBetween(start, end time.Time, layout string, interval string) ([]string, error)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/6kHBpAxD9ZC)</span></b>
```go
package main
@@ -1571,4 +1574,96 @@ func main() {
// [2024-09-01 00:00:00 2024-09-01 01:00:00 2024-09-01 02:00:00]
// <nil>
}
```
### <span id="Min">Min</span>
<p>Returns the earliest time among the given times.</p>
<b>Signature:</b>
```go
func Min(t1 time.Time, times ...time.Time) time.Time
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
minTime := datetime.Min(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(minTime)
// Output:
// 2024-09-01 00:00:00 +0000 UTC
}
```
### <span id="Max">Max</span>
<p>Returns the latest time among the given times.</p>
<b>Signature:</b>
```go
func Max(t1 time.Time, times ...time.Time) time.Time
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
maxTime := datetime.Min(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC))
fmt.Println(maxTime)
// Output:
// 2024-09-02 00:00:00 +0000 UTC
}
```
### <span id="MaxMin">MaxMin</span>
<p>Returns the latest and earliest time among the given times.</p>
<b>Signature:</b>
```go
func MaxMin(t1 time.Time, times ...time.Time) (maxTime time.Time, minTime time.Time)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/datetime"
)
func main() {
max, min := datetime.MaxMin(time.Date(2024, time.September, 1, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 2, 0, 0, 0, 0, time.UTC), time.Date(2024, time.September, 3, 0, 0, 0, 0, time.UTC))
fmt.Println(max)
fmt.Println(min)
// Output:
// 2024-09-03 00:00:00 +0000 UTC
// 2024-09-01 00:00:00 +0000 UTC
}
```

View File

@@ -52,6 +52,7 @@ import (
- [ReadFile](#ReadFile)
- [ChunkRead](#ChunkRead)
- [ParallelChunkRead](#ParallelChunkRead)
- [GetExeOrDllVersion](#GetExeOrDllVersion)
<div STYLE="page-break-after: always;"></div>
@@ -559,7 +560,7 @@ import (
)
func main() {
err := fileutil.Zip("./test.zip", "./unzip/test.txt")
err := fileutil.UnZip("./test.zip", "./test.txt")
if err != nil {
fmt.Println(err)
}
@@ -1074,4 +1075,37 @@ func main() {
// Jim,21,male
// 2
}
```
### <span id="GetExeOrDllVersion">GetExeOrDllVersion</span>
<p>Get the version of exe or dll file on windows.</p>
<b>Signature:</b>
```go
func GetExeOrDllVersion(filePath string) (string, error)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/fileutil"
)
func main() {
v, err := fileutil.GetExeOrDllVersion(`C:\Program Files\Tencent\WeChat\WeChat.exe`)
if err != nil {
panic(err)
}
fmt.Println(v)
// Output:
// 3.9.10.19
}
```

View File

@@ -204,7 +204,7 @@ func main() {
func Debounce(fn func(), delay time.Duration) (debouncedFn func(), cancelFn func())
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/-dGFrYn_1Zi)</span></b>
```go
package main
@@ -752,7 +752,7 @@ func main() {
func Throttle(fn func(), interval time.Duration) func()
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/HpoMov-tJSN)</span></b>
```go
package main

View File

@@ -1167,7 +1167,7 @@ func main() {
func NewOrderedMap[K comparable, V any]() *OrderedMap[K, V]
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/99QjSYSBdiM)</span></b>
```go
package main
@@ -1206,7 +1206,7 @@ func main() {
func (om *OrderedMap[K, V]) Set(key K, value V)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Y4ZJ_oOc1FU)</span></b>
```go
package main
@@ -1245,7 +1245,7 @@ func main() {
func (om *OrderedMap[K, V]) Get(key K) (V, bool)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Y4ZJ_oOc1FU)</span></b>
```go
package main
@@ -1285,7 +1285,7 @@ func main() {
func (om *OrderedMap[K, V]) Delete(key K)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/5bIi4yaZ3K-)</span></b>
```go
package main
@@ -1321,7 +1321,7 @@ func main() {
func (om *OrderedMap[K, V]) Clear()
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/8LwoJyEfuFr)</span></b>
```go
package main
@@ -1360,7 +1360,7 @@ func (om *OrderedMap[K, V]) Front() (struct {
}, bool)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/ty57XSimpoe)</span></b>
```go
package main
@@ -1400,7 +1400,7 @@ func (om *OrderedMap[K, V]) Back() (struct {
}, bool)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/rQMjp1yQmpa)</span></b>
```go
package main
@@ -1417,12 +1417,12 @@ func main() {
om.Set("b", 2)
om.Set("c", 3)
frontElement, ok := om.Front()
fmt.Println(frontElement)
backElement, ok := om.Back()
fmt.Println(backElement)
fmt.Println(ok)
// Output:
// {a 1}
// {c 3}
// true
}
```
@@ -1437,7 +1437,7 @@ func main() {
func (om *OrderedMap[K, V]) Range(iteratee func(key K, value V) bool)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/U-KpORhc7LZ)</span></b>
```go
package main
@@ -1476,7 +1476,7 @@ func main() {
func (om *OrderedMap[K, V]) Keys() []K
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Vv_y9ExKclA)</span></b>
```go
package main
@@ -1512,7 +1512,7 @@ func main() {
func (om *OrderedMap[K, V]) Values() []V
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/TWj5n1-PUfx)</span></b>
```go
package main
@@ -1548,7 +1548,7 @@ func main() {
func (om *OrderedMap[K, V]) Elements() []struct
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/4BHG4kKz6bB)</span></b>
```go
package main
@@ -1584,7 +1584,7 @@ func main() {
func (om *OrderedMap[K, V]) Len() int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/cLe6z2VX5N-)</span></b>
```go
package main
@@ -1620,7 +1620,7 @@ func main() {
func (om *OrderedMap[K, V]) Contains(key K) bool
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/QuwqqnzwDNX)</span></b>
```go
package main
@@ -1662,7 +1662,7 @@ func (om *OrderedMap[K, V]) Iter() <-chan struct {
}
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/tlq2tdvicPt)</span></b>
```go
package main
@@ -1703,7 +1703,7 @@ func (om *OrderedMap[K, V]) ReverseIter() <-chan struct {
}
```
<b>Example:<span style="float:right;display:inline-block;">[Run]()</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/8Q0ssg6hZzO)</span></b>
```go
package main
@@ -1741,7 +1741,7 @@ func main() {
func (om *OrderedMap[K, V]) SortByKey(less func(a, b K) bool)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/N7hjD_alZPq)</span></b>
```go
package main
@@ -1752,7 +1752,7 @@ import (
)
func main() {
om := maputil.NewOrderedMap[string, int]()
om := maputil.NewOrderedMap[int, string]()
om.Set(3, "c")
om.Set(1, "a")
@@ -1780,7 +1780,7 @@ func main() {
func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/C-wAwydIAC7)</span></b>
```go
package main
@@ -1791,7 +1791,7 @@ import (
)
func main() {
om := maputil.NewOrderedMap[string, int]()
om := maputil.NewOrderedMap[int, string]()
om.Set(3, "c")
om.Set(1, "a")
@@ -1817,7 +1817,7 @@ func main() {
func (om *OrderedMap[K, V]) UnmarshalJSON(data []byte) error
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/8C3MvJ3-mut)</span></b>
```go
package main
@@ -1837,6 +1837,7 @@ func main() {
fmt.Println(om.Elements())
// Output:
// [{a 1} {b 2} {c 3}]
}
```
@@ -2256,7 +2257,7 @@ func main() {
func SortByKey[K constraints.Ordered, V any](m map[K]V) (sortedKeysMap map[K]V)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/PVdmBSnm6P_W)</span></b>
```go
package main
@@ -2274,7 +2275,9 @@ func main() {
2: "b",
}
result := maputil.SortByKey(m)
result := maputil.SortByKey(m, func(a, b int) bool {
return a < b
})
fmt.Println(result)
@@ -2293,7 +2296,7 @@ func main() {
func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V
```
<b>Example:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/99QjSYSBdiM)</span></b>
```go
package main

View File

@@ -40,6 +40,7 @@ import (
- [RandStringSlice](#RandStringSlice)
- [RandBool](#RandBool)
- [RandBoolSlice](#RandBoolSlice)
- [RandNumberOfLength](#RandNumberOfLength)
<div STYLE="page-break-after: always;"></div>
@@ -133,7 +134,7 @@ func main() {
func RandFromGivenSlice[T any](slice []T) T
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/UrkWueF6yYo)</span></b>
```go
package main
@@ -160,7 +161,7 @@ func main() {
func RandSliceFromGivenSlice[T any](slice []T, num int, repeatable bool) []T
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/68UikN9d6VT)</span></b>
```go
package main
@@ -171,8 +172,10 @@ import (
)
func main() {
goods := []string{"apple", "banana", "cherry", "elderberry", "fig", "grape", "honeydew", "kiwi", "lemon", "mango", "nectarine", "orange"}
chosen3goods := random.RandSliceFromGivenSlice(goods, 3, false)
goods := []string{"apple", "banana", "cherry", "elderberry", "fig", "grape", "honeydew", "kiwi", "lemon", "mango", "nectarine", "orange"}
chosen3goods := random.RandSliceFromGivenSlice(goods, 3, false)
fmt.Println(chosen3goods)
}
```
@@ -346,7 +349,7 @@ func main() {
func RandIntSlice(length, min, max int) []int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/GATTQ5xTEG8)</span></b>
```go
package main
@@ -452,7 +455,7 @@ func main() {
func RandStringSlice(charset string, sliceLen, strLen int) []string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/2_-PiDv3tGn)</span></b>
```go
package main
@@ -481,7 +484,7 @@ func main() {
func RandBool() bool
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/to6BLc26wBv)</span></b>
```go
package main
@@ -507,7 +510,7 @@ func main() {
func RandBoolSlice(length int) []bool
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/o-VSjPjnILI)</span></b>
```go
package main
@@ -521,4 +524,30 @@ func main() {
result := random.RandBoolSlice(2)
fmt.Println(result) // [true false] (random)
}
```
### <span id="RandNumberOfLength">RandNumberOfLength</span>
<p>Generates a random int number of specified length.</p>
<b>Signature:</b>
```go
func RandNumberOfLength(len int) int
```
<b>Signature:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/random"
)
func main() {
i := random.RandNumberOfLength(2)
fmt.Println(i) // 21 (random number of length 2)
}
```

View File

@@ -106,6 +106,10 @@ import (
- [RightPadding](#RightPadding)
- [LeftPadding](#LeftPadding)
- [Frequency](#Frequency)
- [JoinFunc](#JoinFunc)
- [ConcatBy](#ConcatBy)
<div STYLE="page-break-after: always;"></div>
@@ -913,7 +917,7 @@ func main() {
func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool, numThreads int) []T
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/t_pkwerIRVx)</span></b>
```go
import (
@@ -1190,7 +1194,7 @@ func main() {
func ForEachConcurrent[T any](slice []T, iteratee func(index int, item T), numThreads int)
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/kT4XW7DKVoV)</span></b>
```go
import (
@@ -1567,7 +1571,7 @@ func main() {
func MapConcurrent[T any, U any](slice []T, iteratee func(index int, item T) U, numThreads int) []U
```
<b>Example:</b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/H1ehfPkPen0)</span></b>
```go
import (
@@ -1766,7 +1770,7 @@ func main() {
func ReduceConcurrent[T any](slice []T, initial T, reducer func(index int, item T, agg T) T, numThreads int) T
```
<b>Example:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Tjwe6OtaG07)</span></b>
```go
import (
@@ -2445,7 +2449,7 @@ func main() {
func UniqueBy[T any, U comparable](slice []T, iteratee func(item T) U) []T
```
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/UR323iZLDpv)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/GY7JE4yikrl)</span></b>
```go
import (
@@ -2476,7 +2480,7 @@ func main() {
func UniqueByComparator[T comparable](slice []T, comparator func(item T, other T) bool) []T
```
<b>Example:</b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/rwSacr-ZHsR)</span></b>
```go
import (
@@ -2512,7 +2516,7 @@ func main() {
func UniqueByConcurrent[T comparable](slice []T, comparator func(item T, other T) bool, numThreads int) []T
```
<b>Example:</b>
<b>Example:<span style="float:right;display:inline-block;">[Runs](https://go.dev/play/p/wXZ7LcYRMGL)</span></b>
```go
import (
@@ -2962,7 +2966,7 @@ func main() {
func Frequency[T comparable](slice []T) map[T]int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/CW3UVNdUZOq)</span></b>
```go
import (
@@ -2979,4 +2983,81 @@ func main() {
// Output:
// map[a:1 b:2 c:3]
}
```
### <span id="JoinFunc">JoinFunc</span>
<p>Joins the slice elements into a single string with the given separator.</p>
<b>Signature:</b>
```go
func JoinFunc[T any](slice []T, sep string, transform func(T) T) string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/slice"
)
func main() {
result := slice.JoinFunc([]string{"a", "b", "c"}, ", ", func(s string) string {
return strings.ToUpper(s)
})
fmt.Println(result)
// Output:
// A, B, C
}
```
### <span id="ConcatBy">ConcatBy</span>
<p>Concats the elements of a slice into a single value using the provided separator and connector function.</p>
<b>Signature:</b>
```go
func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/slice"
)
func main() {
type Person struct {
Name string
Age int
}
people := []Person{
{Name: "Alice", Age: 30},
{Name: "Bob", Age: 25},
{Name: "Charlie", Age: 35},
}
sep := Person{Name: " | ", Age: 0}
personConnector := func(a, b Person) Person {
return Person{Name: a.Name + b.Name, Age: a.Age + b.Age}
}
result := slice.ConcatBy(people, sep, personConnector)
fmt.Println(result.Name)
fmt.Println(result.Age)
// Output:
// Alice | Bob | Charlie
// 90
}
```

View File

@@ -939,3 +939,69 @@ func main() {
// [1 2 3]
}
```
### <span id="IndexOf">IndexOf</span>
<p>Returns the index of the first occurrence of the specified element in this stream, or -1 if this stream does not contain the element.</p>
<b>Signature:</b>
```go
func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/stream"
)
func main() {
s := stream.FromSlice([]int{1, 2, 3, 2})
result1 := s.IndexOf(0, func(a, b int) bool { return a == b })
result2 := s.IndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 1
}
```
### <span id="LastIndexOf">LastIndexOf</span>
<p>Returns the index of the last occurrence of the specified element in this stream, or -1 if this stream does not contain the element.</p>
<b>Signature:</b>
```go
func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/stream"
)
func main() {
s := stream.FromSlice([]int{1, 2, 3, 2})
result1 := s.LastIndexOf(0, func(a, b int) bool { return a == b })
result2 := s.LastIndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 3
}
```

View File

@@ -68,6 +68,8 @@ import (
- [Rotate](#Rotate)
- [TemplateReplace](#TemplateReplace)
- [RegexMatchAllGroups](#RegexMatchAllGroups)
- [ExtractContent](#RegexMatchAllGroups)
<div STYLE="page-break-after: always;"></div>
@@ -1549,7 +1551,7 @@ func main() {
func Concat(length int, str ...string) string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/gD52SZHr4Kp)</span></b>
```go
import (
@@ -1561,6 +1563,7 @@ func main() {
result1 := strutil.Concat(12, "Hello", " ", "World", "!")
result2 := strutil.Concat(11, "Go", " ", "Language")
result3 := strutil.Concat(0, "An apple a ", "day", "keeps the", " doctor away")
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
@@ -1582,7 +1585,7 @@ func main() {
func Ellipsis(str string, length int) string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/i1vbdQiQVRR)</span></b>
```go
import (
@@ -1616,7 +1619,7 @@ func main() {
func Shuffle(str string) string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/iStFwBwyGY7)</span></b>
```go
import (
@@ -1640,7 +1643,7 @@ func main() {
func Rotate(str string, shift int) string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Kf03iOeT5bd)</span></b>
```go
import (
@@ -1673,7 +1676,7 @@ func main() {
func TemplateReplace(template string, data map[string]string string
```
<b>example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/cXSuFvyZqv9)</span></b>
```go
import (
@@ -1707,7 +1710,7 @@ func main() {
func RegexMatchAllGroups(pattern, str string) [][]string
```
<b>example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/JZiu0RXpgN-)</span></b>
```go
import (
@@ -1728,4 +1731,34 @@ func main() {
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}
```
### <span id="ExtractContent">ExtractContent</span>
<p>Extracts the content between the start and end strings in the source string.</p>
<b>Signature:</b>
```go
func ExtractContent(s, start, end string) []string
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
html := `<span>content1</span>aa<span>content2</span>bb<span>content1</span>`
result := strutil.ExtractContent(html, "<span>", "</span>")
fmt.Println(result)
// Output:
// [content1 content2 content1]
}
```

View File

@@ -325,7 +325,7 @@ func main() {
func StartProcess(command string, args ...string) (int, error)
```
<b>Example:<span style="float:right;display:inline-block">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/5GVol6ryS_X)</span></b>
```go
import (
@@ -353,7 +353,7 @@ func main() {
func StopProcess(pid int) error
```
<b>Example:<span style="float:right;display:inline-block">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/jJZhRYGGcmD)</span></b>
```go
import (
@@ -387,7 +387,7 @@ func main() {
func KillProcess(pid int) error
```
<b>Example:<span style="float:right;display:inline-block">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/XKmvV-ExBWa)</span></b>
```go
import (
@@ -421,7 +421,7 @@ func main() {
func GetProcessInfo(pid int) (*ProcessInfo, error)
```
<b>Example:<span style="float:right;display:inline-block">[Run](todo)</span></b>
<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/NQDVywEYYx7)</span></b>
```go
import (

View File

@@ -35,6 +35,7 @@ import (
- [XError_Info](#XError_Info)
- [XError_Error](#XError_Error)
- [TryUnwrap](#TryUnwrap)
- [TryCatch](#TryCatch)
<div STYLE="page-break-after: always;"></div>
@@ -166,12 +167,12 @@ import (
func main() {
err1 := xerror.New("error").With("level", "high")
err2 := err1.Wrap(errors.New("invalid username"))
err2 := err1.Wrap(errors.New("invalid username"))
fmt.Println(err2.Error())
fmt.Println(err2.Error())
// Output:
// error: invalid username
// Output:
// error: invalid username
}
```
@@ -487,3 +488,56 @@ func main() {
// true
}
```
### <span id="TryCatch">TryCatch</span>
<p>Simple simulation of Java-style try-catch. It does not align with Go's error-handling philosophy. It is recommended to use it with caution.</p>
<b>Signature:</b>
```go
func NewTryCatch(ctx context.Context) *TryCatch
func (tc *TryCatch) Try(tryFunc func(ctx context.Context) error) *TryCatch
func (tc *TryCatch) Catch(catchFunc func(ctx context.Context, err error)) *TryCatch
func (tc *TryCatch) Finally(finallyFunc func(ctx context.Context)) *TryCatch
func (tc *TryCatch) Do()
```
<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/xerror"
)
func main() {
calledFinally := false
calledCatch := false
tc := xerror.NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
return errors.New("error message ")
}).Catch(func(ctx context.Context, err error) {
calledCatch = true
// Error in try block at /path/xxx.go:{line_number} - Cause: error message
// fmt.Println(err.Error())
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
fmt.Println(calledCatch)
fmt.Println(calledFinally)
// Output:
// true
// true
}
```

View File

@@ -10,7 +10,7 @@ outline: deep
go get github.com/duke-git/lancet/v2 // will install latest version of v2.x.x
```
2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.1. </b>
2. <b>For users who use version below go1.18, you should install v1.x.x. The latest of v1.x.x is v1.4.4. </b>
```go
go get github.com/duke-git/lancet // below go1.18, install latest version of v1.x.x

View File

@@ -10,7 +10,7 @@ outline: deep
go get github.com/duke-git/lancet/v2 // will install latest version of v2.x.x
```
2. <b>使用 go1.18 以下版本的用户,必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.1。</b>
2. <b>使用 go1.18 以下版本的用户,必须安装 v1.x.x。目前最新的 v1 版本是 v1.4.4。</b>
```go
go get github.com/duke-git/lancet // below go1.18, install latest version of v1.x.x

View File

@@ -14,6 +14,7 @@ import (
"encoding/csv"
"errors"
"fmt"
"github.com/duke-git/lancet/v2/validator"
"io"
"io/fs"
"net/http"
@@ -23,8 +24,6 @@ import (
"sort"
"strings"
"sync"
"github.com/duke-git/lancet/v2/validator"
)
// FileReader is a reader supporting offset seeking and reading one

View File

@@ -192,6 +192,27 @@ func ExampleListFileNames() {
// [assert.go assert_test.go error_join.go]
}
func ExampleMiMeType() {
fname := "./test.txt"
file, _ := os.Create(fname)
_, err := file.WriteString("hello\nworld")
if err != nil {
return
}
f, _ := os.Open(fname)
defer f.Close()
mimeType := MiMeType(f)
fmt.Println(mimeType)
os.Remove(fname)
// Output:
// application/octet-stream
}
func ExampleZip() {
srcFile := "./test.txt"
CreateFile(srcFile)
@@ -214,24 +235,20 @@ func ExampleZip() {
}
func ExampleUnZip() {
fname := "./test.txt"
file, _ := os.Create(fname)
zipFile := "./testdata/file.go.zip"
_, err := file.WriteString("hello\nworld")
err := UnZip(zipFile, "./testdata")
if err != nil {
return
}
f, _ := os.Open(fname)
defer f.Close()
exist := IsExist("./testdata/file.go")
fmt.Println(exist)
mimeType := MiMeType(f)
fmt.Println(mimeType)
os.Remove(fname)
os.Remove("./testdata/file.go")
// Output:
// application/octet-stream
// true
}
func ExampleZipAppendEntry() {

83
fileutil/file_windows.go Normal file
View File

@@ -0,0 +1,83 @@
//go:build windows
package fileutil
import (
"fmt"
"syscall"
"unsafe"
)
// tagVS_FIXEDFILEINFO 参考结构体https://learn.microsoft.com/zh-cn/windows/win32/api/verrsrc/ns-verrsrc-vs_fixedfileinfo
type tagVS_FIXEDFILEINFO struct {
Signature uint32
StructVersion uint32
FileVersionMS uint32
FileVersionLS uint32
ProductVersionMS uint32
ProductVersionLS uint32
FileFlagsMask uint32
FileFlags uint32
FileOS uint32
FileType uint32
FileSubtype uint32
FileDateMS uint32
FileDateLS uint32
}
// GetExeOrDllVersion get the version of exe or dll file on windows.
// Play: todo
func GetExeOrDllVersion(filePath string) (string, error) {
// 加载系统dll
versionDLL := syscall.NewLazyDLL("version.dll")
getFileVersionInfoSize := versionDLL.NewProc("GetFileVersionInfoSizeW")
getFileVersionInfo := versionDLL.NewProc("GetFileVersionInfoW")
verQueryValue := versionDLL.NewProc("VerQueryValueW")
// 转换路径为UTF-16
filePathPtr, err := syscall.UTF16PtrFromString(filePath)
if err != nil {
return "", fmt.Errorf("unable to convert file path to UTF-16: %w", err)
}
// 获取version信息大小
size, _, err := getFileVersionInfoSize.Call(
uintptr(unsafe.Pointer(filePathPtr)),
0,
)
if size == 0 {
return "", fmt.Errorf("unable to obtain version information size: %v", err)
}
// 加载version信息
data := make([]byte, size)
ret, _, err := getFileVersionInfo.Call(uintptr(unsafe.Pointer(filePathPtr)), 0, size, uintptr(unsafe.Pointer(&data[0])))
if ret == 0 {
return "", fmt.Errorf("unable to obtain version information: %v", err)
}
// 查询version信息
var fixedInfo *tagVS_FIXEDFILEINFO
var fixedInfoLen uint32
u16, err := syscall.UTF16PtrFromString(`\`)
if err != nil {
return "", fmt.Errorf("unable to convert file path to UTF-16: %w", err)
}
ret, _, err = verQueryValue.Call(
uintptr(unsafe.Pointer(&data[0])),
uintptr(unsafe.Pointer(u16)),
uintptr(unsafe.Pointer(&fixedInfo)),
uintptr(unsafe.Pointer(&fixedInfoLen)),
)
if ret == 0 {
return "", fmt.Errorf("unable to query version information: %v", err)
}
// 转换结构体
major := fixedInfo.FileVersionMS >> 16
minor := fixedInfo.FileVersionMS & 0xFFFF
build := fixedInfo.FileVersionLS >> 16
revision := fixedInfo.FileVersionLS & 0xFFFF
return fmt.Sprintf("%d.%d.%d.%d", major, minor, build, revision), nil
}

View File

@@ -0,0 +1,13 @@
//go:build windows
package fileutil
import "testing"
func TestGetExeOrDllVersion(t *testing.T) {
v, err := GetExeOrDllVersion(`C:\Windows\System32\cmd.exe`)
if err != nil {
t.Error(err)
}
t.Log(v)
}

View File

@@ -93,7 +93,7 @@ func Debounced(fn func(), delay time.Duration) func() {
}
// Debounce creates a debounced version of the provided function.
// Play: todo
// Play: https://go.dev/play/p/-dGFrYn_1Zi
func Debounce(fn func(), delay time.Duration) (debouncedFn func(), cancelFn func()) {
var (
timer *time.Timer
@@ -127,7 +127,7 @@ func Debounce(fn func(), delay time.Duration) (debouncedFn func(), cancelFn func
// Throttle creates a throttled version of the provided function.
// The returned function guarantees that it will only be invoked at most once per interval.
// Play: todo
// Play: https://go.dev/play/p/HpoMov-tJSN
func Throttle(fn func(), interval time.Duration) func() {
var (
timer *time.Timer

2
go.sum
View File

@@ -1,6 +1,4 @@
golang.org/x/exp v0.0.0-20221208152030-732eee02a75a h1:4iLhBPcpqFmylhnkbY3W0ONLUYYkDAW9xMFLfxgsvCw=
golang.org/x/exp v0.0.0-20221208152030-732eee02a75a/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=

View File

@@ -455,7 +455,7 @@ func GetOrSet[K comparable, V any](m map[K]V, key K, value V) V {
}
// SortByKey sorts the map by its keys and returns a new map with sorted keys.
// Play: todo
// Play: https://go.dev/play/p/PVdmBSnm6P_W
func SortByKey[K constraints.Ordered, V any](m map[K]V, less func(a, b K) bool) (sortedKeysMap map[K]V) {
keys := make([]K, 0, len(m))
for k := range m {
@@ -659,7 +659,7 @@ func convertMap(src reflect.Value, dst reflect.Value) error {
}
// GetOrDefault returns the value of the given key or a default value if the key is not present.
// Play: todo
// Play: https://go.dev/play/p/99QjSYSBdiM
func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V {
if v, ok := m[key]; ok {
return v

View File

@@ -29,13 +29,13 @@ func NewOrderedMap[K comparable, V any]() *OrderedMap[K, V] {
}
// Sets the given key-value pair.
// Play: todo
// Play: https://go.dev/play/p/Y4ZJ_oOc1FU
func (om *OrderedMap[K, V]) Set(key K, value V) {
om.mu.Lock()
defer om.mu.Unlock()
if elem, ok := om.index[key]; ok {
elem.Value = value
om.data[key] = value
om.order.MoveToBack(elem)
return
@@ -48,7 +48,7 @@ func (om *OrderedMap[K, V]) Set(key K, value V) {
}
// Get returns the value for the given key.
// Play: todo
// Play: https://go.dev/play/p/Y4ZJ_oOc1FU
func (om *OrderedMap[K, V]) Get(key K) (V, bool) {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -59,7 +59,7 @@ func (om *OrderedMap[K, V]) Get(key K) (V, bool) {
}
// Delete deletes the given key.
// Play: todo
// Play: https://go.dev/play/p/5bIi4yaZ3K-
func (om *OrderedMap[K, V]) Delete(key K) {
om.mu.Lock()
defer om.mu.Unlock()
@@ -72,7 +72,7 @@ func (om *OrderedMap[K, V]) Delete(key K) {
}
// Clear clears the map.
// Play: todo
// Play: https://go.dev/play/p/8LwoJyEfuFr
func (om *OrderedMap[K, V]) Clear() {
om.mu.Lock()
defer om.mu.Unlock()
@@ -83,7 +83,7 @@ func (om *OrderedMap[K, V]) Clear() {
}
// Front returns the first key-value pair.
// Play: todo
// Play: https://go.dev/play/p/ty57XSimpoe
func (om *OrderedMap[K, V]) Front() (struct {
Key K
Value V
@@ -111,7 +111,7 @@ func (om *OrderedMap[K, V]) Front() (struct {
}
// Back returns the last key-value pair.
// Play: todo
// Play: https://go.dev/play/p/rQMjp1yQmpa
func (om *OrderedMap[K, V]) Back() (struct {
Key K
Value V
@@ -139,7 +139,7 @@ func (om *OrderedMap[K, V]) Back() (struct {
}
// Range calls the given function for each key-value pair.
// Play: todo
// Play: https://go.dev/play/p/U-KpORhc7LZ
func (om *OrderedMap[K, V]) Range(iteratee func(key K, value V) bool) {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -155,7 +155,7 @@ func (om *OrderedMap[K, V]) Range(iteratee func(key K, value V) bool) {
}
// Keys returns the keys in order.
// Play: todo
// Play: https://go.dev/play/p/Vv_y9ExKclA
func (om *OrderedMap[K, V]) Keys() []K {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -170,7 +170,7 @@ func (om *OrderedMap[K, V]) Keys() []K {
}
// Values returns the values in order.
// Play: todo
// Play: https://go.dev/play/p/TWj5n1-PUfx
func (om *OrderedMap[K, V]) Values() []V {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -186,7 +186,7 @@ func (om *OrderedMap[K, V]) Values() []V {
}
// Len returns the number of key-value pairs.
// Play: todo
// Play: https://go.dev/play/p/cLe6z2VX5N-
func (om *OrderedMap[K, V]) Len() int {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -195,7 +195,7 @@ func (om *OrderedMap[K, V]) Len() int {
}
// Contains returns true if the given key exists.
// Play: todo
// Play: https://go.dev/play/p/QuwqqnzwDNX
func (om *OrderedMap[K, V]) Contains(key K) bool {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -206,7 +206,7 @@ func (om *OrderedMap[K, V]) Contains(key K) bool {
}
// Elements returns the key-value pairs in order.
// Play: todo
// Play: https://go.dev/play/p/4BHG4kKz6bB
func (om *OrderedMap[K, V]) Elements() []struct {
Key K
Value V
@@ -232,7 +232,7 @@ func (om *OrderedMap[K, V]) Elements() []struct {
}
// Iter returns a channel that yields key-value pairs in order.
// Play: todo
// Play: https://go.dev/play/p/tlq2tdvicPt
func (om *OrderedMap[K, V]) Iter() <-chan struct {
Key K
Value V
@@ -262,7 +262,7 @@ func (om *OrderedMap[K, V]) Iter() <-chan struct {
}
// ReverseIter returns a channel that yields key-value pairs in reverse order.
// Play: todo
// Play: https://go.dev/play/p/8Q0ssg6hZzO
func (om *OrderedMap[K, V]) ReverseIter() <-chan struct {
Key K
Value V
@@ -292,7 +292,7 @@ func (om *OrderedMap[K, V]) ReverseIter() <-chan struct {
}
// SortByValue sorts the map by key given less function.
// Play: todo
// Play: https://go.dev/play/p/N7hjD_alZPq
func (om *OrderedMap[K, V]) SortByKey(less func(a, b K) bool) {
om.mu.Lock()
defer om.mu.Unlock()
@@ -315,7 +315,7 @@ func (om *OrderedMap[K, V]) SortByKey(less func(a, b K) bool) {
}
// MarshalJSON implements the json.Marshaler interface.
// Play: todo
// Play: https://go.dev/play/p/C-wAwydIAC7
func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error) {
om.mu.RLock()
defer om.mu.RUnlock()
@@ -334,7 +334,7 @@ func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error) {
}
// UnmarshalJSON implements the json.Unmarshaler interface.
// Play: todo
// Play: https://go.dev/play/p/8C3MvJ3-mut
func (om *OrderedMap[K, V]) UnmarshalJSON(data []byte) error {
om.mu.Lock()
defer om.mu.Unlock()

View File

@@ -19,6 +19,10 @@ func TestOrderedMap_Set_Get(t *testing.T) {
assert.Equal(1, val)
assert.Equal(true, ok)
om.Set("a", 2)
val, _ = om.Get("a")
assert.Equal(2, val)
val, ok = om.Get("d")
assert.Equal(false, ok)
assert.Equal(0, val)

View File

@@ -221,6 +221,22 @@ func (client *HttpClient) SendRequest(request *HttpRequest) (*http.Response, err
return resp, nil
}
// AsyncSendRequest send http request with goroutine, pop response and error to channels
func (client *HttpClient) AsyncSendRequest(request *HttpRequest, respChan chan *http.Response, errChan chan error) {
go func() {
defer func() {
if err := recover(); err != nil {
errChan <- fmt.Errorf("%v", err)
}
}()
resp, err := client.SendRequest(request)
if err != nil {
errChan <- err
}
respChan <- resp
}()
}
// DecodeResponse decode response into target object.
// Play: https://go.dev/play/p/jUSgynekH7G
func (client *HttpClient) DecodeResponse(resp *http.Response, target any) error {

View File

@@ -373,6 +373,45 @@ func TestSendRequestWithFilePath(t *testing.T) {
}
}
func TestHttpClient_AsyncSendRequest(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestHttpClient_Get")
request := &HttpRequest{
RawURL: "https://jsonplaceholder.typicode.com/todos/1",
Method: "GET",
}
httpClient := NewHttpClient()
respCh := make(chan *http.Response, 20)
errCh := make(chan error, 20)
for i := 0; i < 50; i++ {
httpClient.AsyncSendRequest(request, respCh, errCh)
}
for i := 0; i < 50; i++ {
select {
case resp := <-respCh:
type Todo struct {
UserId int `json:"userId"`
Id int `json:"id"`
Title string `json:"title"`
Completed bool `json:"completed"`
}
var todo Todo
err := httpClient.DecodeResponse(resp, &todo)
if err != nil {
t.FailNow()
}
assert.Equal(1, todo.Id)
case err := <-errCh:
if err != nil {
t.Log("net error: ", err.Error())
}
}
}
}
func TestProxy(t *testing.T) {
config := &HttpClientConfig{
HandshakeTimeout: 20 * time.Second,

View File

@@ -33,13 +33,13 @@ func init() {
}
// RandBool generates a random boolean value (true or false).
// Play: todo
// Play: https://go.dev/play/p/to6BLc26wBv
func RandBool() bool {
return rand.Intn(2) == 1
}
// RandBoolSlice generates a random boolean slice of specified length.
// Play: todo
// Play: https://go.dev/play/p/o-VSjPjnILI
func RandBoolSlice(length int) []bool {
if length <= 0 {
return []bool{}
@@ -73,7 +73,7 @@ func RandInt(min, max int) int {
// RandIntSlice generates a slice of random integers.
// The generated integers are between min and max (exclusive).
// Play: todo
// Play: https://go.dev/play/p/GATTQ5xTEG8
func RandIntSlice(length, min, max int) []int {
if length <= 0 || min > max {
return []int{}
@@ -170,7 +170,7 @@ func RandString(length int) string {
// RandString generate a slice of random string of length strLen based on charset.
// chartset should be one of the following: random.Numeral, random.LowwerLetters, random.UpperLetters
// random.Letters, random.SymbolChars, random.AllChars. or a combination of them.
// Play: todo
// Play: https://go.dev/play/p/2_-PiDv3tGn
func RandStringSlice(charset string, sliceLen, strLen int) []string {
if sliceLen <= 0 || strLen <= 0 {
return []string{}
@@ -186,7 +186,7 @@ func RandStringSlice(charset string, sliceLen, strLen int) []string {
}
// RandFromGivenSlice generate a random element from given slice.
// Play: todo
// Play: https://go.dev/play/p/UrkWueF6yYo
func RandFromGivenSlice[T any](slice []T) T {
if len(slice) == 0 {
var zero T
@@ -198,7 +198,7 @@ func RandFromGivenSlice[T any](slice []T) T {
// RandSliceFromGivenSlice generate a random slice of length num from given slice.
// - If repeatable is true, the generated slice may contain duplicate elements.
//
// Play: todo
// Play: https://go.dev/play/p/68UikN9d6VT
func RandSliceFromGivenSlice[T any](slice []T, num int, repeatable bool) []T {
if num <= 0 || len(slice) == 0 {
return slice
@@ -273,6 +273,9 @@ func nearestPowerOfTwo(cap int) int {
// random generate a random string based on given string range.
func random(s string, length int) string {
// 确保随机数生成器的种子是动态的
rand.Seed(time.Now().UnixNano())
// 仿照strings.Builder
// 创建一个长度为 length 的字节切片
bytes := make([]byte, length)
@@ -327,3 +330,13 @@ func UUIdV4() (string, error) {
return fmt.Sprintf("%x-%x-%x-%x-%x", uuid[0:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:]), nil
}
// RandNumberOfLength 生成一个长度为len的随机数
// Play: todo
func RandNumberOfLength(len int) int {
m := int(math.Pow10(len) - 1)
i := int(math.Pow10(len - 1))
ret := rand.Intn(m-i+1) + i
return ret
}

View File

@@ -3,6 +3,7 @@ package random
import (
"reflect"
"regexp"
"strconv"
"testing"
"github.com/duke-git/lancet/v2/internal"
@@ -361,3 +362,9 @@ func TestRandBoolSlice(t *testing.T) {
}
})
}
func TestRandNumberOfLength(t *testing.T) {
t.Parallel()
randi := RandNumberOfLength(6)
assert := internal.NewAssert(t, "TestRandNumberOfLength")
assert.Equal(6, len(strconv.Itoa(randi)))
}

View File

@@ -10,6 +10,7 @@ import (
"reflect"
"sort"
"strings"
"sync"
"time"
"github.com/duke-git/lancet/v2/random"
@@ -21,6 +22,7 @@ import (
var (
memoryHashMap = make(map[string]map[any]int)
memoryHashCounter = make(map[string]int)
muForMemoryHash sync.RWMutex
)
// Contain check if the target value is in the slice or not.
@@ -789,7 +791,7 @@ func Unique[T comparable](slice []T) []T {
// UniqueBy removes duplicate elements from the input slice based on the values returned by the iteratee function.
// The function maintains the order of the elements.
// Play: todo
// Play: https://go.dev/play/p/GY7JE4yikrl
func UniqueBy[T any, U comparable](slice []T, iteratee func(item T) U) []T {
result := make([]T, 0, len(slice))
seen := make(map[U]struct{}, len(slice))
@@ -810,7 +812,7 @@ func UniqueBy[T any, U comparable](slice []T, iteratee func(item T) U) []T {
// UniqueByComparator removes duplicate elements from the input slice using the provided comparator function.
// The function maintains the order of the elements.
// Play: todo
// Play: https://go.dev/play/p/rwSacr-ZHsR
func UniqueByComparator[T comparable](slice []T, comparator func(item T, other T) bool) []T {
result := make([]T, 0, len(slice))
seen := make([]T, 0, len(slice))
@@ -1174,23 +1176,46 @@ func IndexOf[T comparable](arr []T, val T) int {
limit := 10
// gets the hash value of the array as the key of the hash table.
key := fmt.Sprintf("%p", arr)
muForMemoryHash.RLock()
// determines whether the hash table is empty. If so, the hash table is created.
if memoryHashMap[key] == nil {
memoryHashMap[key] = make(map[any]int)
// iterate through the array, adding the value and index of each element to the hash table.
for i := len(arr) - 1; i >= 0; i-- {
memoryHashMap[key][arr[i]] = i
muForMemoryHash.RUnlock()
muForMemoryHash.Lock()
if memoryHashMap[key] == nil {
memoryHashMap[key] = make(map[any]int)
// iterate through the array, adding the value and index of each element to the hash table.
for i := len(arr) - 1; i >= 0; i-- {
memoryHashMap[key][arr[i]] = i
}
}
muForMemoryHash.Unlock()
} else {
muForMemoryHash.RUnlock()
}
muForMemoryHash.Lock()
// update the hash table counter.
memoryHashCounter[key]++
muForMemoryHash.Unlock()
// use the hash table to find the specified value. If found, the index is returned.
if index, ok := memoryHashMap[key][val]; ok {
muForMemoryHash.RLock()
index, ok := memoryHashMap[key][val]
muForMemoryHash.RUnlock()
if ok {
muForMemoryHash.RLock()
// calculate the memory usage of the hash table.
size := len(memoryHashMap)
muForMemoryHash.RUnlock()
// If the memory usage of the hash table exceeds the memory limit, the hash table with the lowest counter is cleared.
if size > limit {
muForMemoryHash.Lock()
var minKey string
var minVal int
for k, v := range memoryHashCounter {
@@ -1204,6 +1229,7 @@ func IndexOf[T comparable](arr []T, val T) int {
}
delete(memoryHashMap, minKey)
delete(memoryHashCounter, minKey)
muForMemoryHash.Unlock()
}
return index
}
@@ -1388,7 +1414,7 @@ func LeftPadding[T any](slice []T, paddingValue T, paddingLength int) []T {
}
// Frequency counts the frequency of each element in the slice.
// Play: todo
// Play: https://go.dev/play/p/CW3UVNdUZOq
func Frequency[T comparable](slice []T) map[T]int {
result := make(map[T]int)
@@ -1398,3 +1424,35 @@ func Frequency[T comparable](slice []T) map[T]int {
return result
}
// JoinFunc joins the slice elements into a single string with the given separator.
// Play: todo
func JoinFunc[T any](slice []T, sep string, transform func(T) T) string {
var buf strings.Builder
for i, v := range slice {
if i > 0 {
buf.WriteString(sep)
}
buf.WriteString(fmt.Sprint(transform(v)))
}
return buf.String()
}
// ConcatBy concats the elements of a slice into a single value using the provided separator and connector function.
// Play: todo
func ConcatBy[T any](slice []T, sep T, connector func(T, T) T) T {
var result T
if len(slice) == 0 {
return result
}
for i, v := range slice {
result = connector(result, v)
if i < len(slice)-1 {
result = connector(result, sep)
}
}
return result
}

View File

@@ -9,7 +9,7 @@ import (
)
// ForEachConcurrent applies the iteratee function to each item in the slice concurrently.
// Play: todo
// Play: https://go.dev/play/p/kT4XW7DKVoV
func ForEachConcurrent[T any](slice []T, iteratee func(index int, item T), numThreads int) {
sliceLen := len(slice)
if sliceLen == 0 {
@@ -50,7 +50,7 @@ func ForEachConcurrent[T any](slice []T, iteratee func(index int, item T), numTh
}
// MapConcurrent applies the iteratee function to each item in the slice concurrently.
// Play: todo
// Play: https://go.dev/play/p/H1ehfPkPen0
func MapConcurrent[T any, U any](slice []T, iteratee func(index int, item T) U, numThreads int) []U {
result := make([]U, len(slice))
var wg sync.WaitGroup
@@ -77,7 +77,7 @@ func MapConcurrent[T any, U any](slice []T, iteratee func(index int, item T) U,
}
// ReduceConcurrent reduces the slice to a single value by applying the reducer function to each item in the slice concurrently.
// Play: todo
// Play: https://go.dev/play/p/Tjwe6OtaG07
func ReduceConcurrent[T any](slice []T, initial T, reducer func(index int, item T, agg T) T, numThreads int) T {
if numThreads <= 0 {
numThreads = 1
@@ -121,7 +121,7 @@ func ReduceConcurrent[T any](slice []T, initial T, reducer func(index int, item
}
// FilterConcurrent applies the provided filter function `predicate` to each element of the input slice concurrently.
// Play: todo
// Play: https://go.dev/play/p/t_pkwerIRVx
func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool, numThreads int) []T {
result := make([]T, 0)
var wg sync.WaitGroup
@@ -149,12 +149,12 @@ func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool,
return result
}
// UniqueByParallel removes duplicate elements from the slice by parallel
// UniqueByConcurrent removes duplicate elements from the slice by parallel
// The comparator function is used to compare the elements
// The numThreads parameter specifies the number of threads to use
// If numThreads is less than or equal to 0, it will be set to 1
// The comparator function should return true if the two elements are equal
// Play: todo
// Play: https://go.dev/play/p/wXZ7LcYRMGL
func UniqueByConcurrent[T comparable](slice []T, comparator func(item T, other T) bool, numThreads int) []T {
if numThreads <= 0 {
numThreads = 1
@@ -195,18 +195,14 @@ func UniqueByConcurrent[T comparable](slice []T, comparator func(item T, other T
chunks = append(chunks, slice[i:end])
}
type resultChunk struct {
index int
data []T
}
resultCh := make(chan resultChunk, numThreads)
resultCh := make(chan resultChunk[T], numThreads)
var wg sync.WaitGroup
for i, chunk := range chunks {
wg.Add(1)
go func(index int, chunk []T) {
defer wg.Done()
resultCh <- resultChunk{index, removeDuplicate(chunk, comparator)}
resultCh <- resultChunk[T]{index, removeDuplicate(chunk, comparator)}
}(i, chunk)
}

View File

@@ -1261,3 +1261,42 @@ func ExampleFrequency() {
// Output:
// map[a:1 b:2 c:3]
}
func ExampleJoinFunc() {
result := JoinFunc([]string{"a", "b", "c"}, ", ", func(s string) string {
return strings.ToUpper(s)
})
fmt.Println(result)
// Output:
// A, B, C
}
func ExampleConcatBy() {
type Person struct {
Name string
Age int
}
people := []Person{
{Name: "Alice", Age: 30},
{Name: "Bob", Age: 25},
{Name: "Charlie", Age: 35},
}
sep := Person{Name: " | ", Age: 0}
personConnector := func(a, b Person) Person {
return Person{Name: a.Name + b.Name, Age: a.Age + b.Age}
}
result := ConcatBy(people, sep, personConnector)
fmt.Println(result.Name)
fmt.Println(result.Age)
// Output:
// Alice | Bob | Charlie
// 90
}

View File

@@ -7,6 +7,13 @@ import (
"golang.org/x/exp/constraints"
)
// resultChunk is used to store the intermediate results of UniqueByConcurrent.
// It is defined separately to be compatible with versions of go up to 1.20.
type resultChunk[T comparable] struct {
index int
data []T
}
// sliceValue return the reflect value of a slice
func sliceValue(slice any) reflect.Value {
v := reflect.ValueOf(slice)

View File

@@ -6,6 +6,7 @@ import (
"reflect"
"strconv"
"strings"
"sync"
"testing"
"github.com/duke-git/lancet/v2/internal"
@@ -1367,6 +1368,37 @@ func TestIndexOf(t *testing.T) {
assert.Equal(-1, IndexOf(arr3, "r"))
assert.Equal(2, memoryHashCounter[key3])
assert.Equal(0, memoryHashCounter[minKey])
arr4 := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
const numGoroutines = 100
var wg sync.WaitGroup
wg.Add(numGoroutines)
for i := 0; i < numGoroutines; i++ {
go func(i int) {
defer wg.Done()
index := IndexOf(arr4, i%10+1)
assert.Equal(i%10, index)
}(i)
}
wg.Wait()
}
func BenchmarkIndexOfDifferentSizes(b *testing.B) {
sizes := []int{10, 100, 1000, 10000, 100000}
for _, size := range sizes {
arr := make([]int, size)
for i := 0; i < len(arr); i++ {
arr[i] = i
}
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_ = IndexOf(arr, size/2) // 查找数组中间的元素
}
})
}
}
func TestLastIndexOf(t *testing.T) {
@@ -1816,3 +1848,81 @@ func TestFrequency(t *testing.T) {
assert.Equal(expected, result)
})
}
func TestJoinFunc(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestJoinFunc")
t.Run("basic case", func(t *testing.T) {
result := JoinFunc([]int{1, 2, 3}, ", ", func(i int) int {
return i * 2
})
expected := "2, 4, 6"
assert.Equal(expected, result)
})
t.Run("empty slice", func(t *testing.T) {
result := JoinFunc([]int{}, ", ", func(i int) int {
return i * 2
})
assert.Equal("", result)
})
t.Run("single element slice", func(t *testing.T) {
result := JoinFunc([]int{1}, ", ", func(i int) int {
return i * 2
})
assert.Equal("2", result)
})
t.Run("string slice", func(t *testing.T) {
result := JoinFunc([]string{"a", "b", "c"}, ", ", func(s string) string {
return strings.ToUpper(s)
})
expected := "A, B, C"
assert.Equal(expected, result)
})
}
func TestConcatBy(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestConcatBy")
t.Run("Join strings", func(t *testing.T) {
result := ConcatBy([]string{"Hello", "World"}, ", ", func(a, b string) string {
return a + b
})
expected := "Hello, World"
assert.Equal(expected, result)
})
t.Run("Join Person struct", func(t *testing.T) {
type Person struct {
Name string
Age int
}
people := []Person{
{Name: "Alice", Age: 30},
{Name: "Bob", Age: 25},
{Name: "Charlie", Age: 35},
}
sep := Person{Name: " | ", Age: 0}
personConnector := func(a, b Person) Person {
return Person{Name: a.Name + b.Name, Age: a.Age + b.Age}
}
result := ConcatBy(people, sep, personConnector)
assert.Equal("Alice | Bob | Charlie", result.Name)
assert.Equal(90, result.Age)
})
}

View File

@@ -393,6 +393,26 @@ func (s Stream[T]) Min(less func(a, b T) bool) (T, bool) {
return min, true
}
// IndexOf returns the index of the first occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int {
for i, v := range s.source {
if equal(v, target) {
return i
}
}
return -1
}
// LastIndexOf returns the index of the last occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int {
for i := len(s.source) - 1; i >= 0; i-- {
if equal(s.source[i], target) {
return i
}
}
return -1
}
// ToSlice return the elements in the stream.
// Play: https://go.dev/play/p/jI6_iZZuVFE
func (s Stream[T]) ToSlice() []T {

View File

@@ -384,3 +384,31 @@ func ExampleStream_Count() {
// 3
// 0
}
func ExampleStream_IndexOf() {
s := FromSlice([]int{1, 2, 3, 2})
result1 := s.IndexOf(0, func(a, b int) bool { return a == b })
result2 := s.IndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 1
}
func ExampleStream_LastIndexOf() {
s := FromSlice([]int{1, 2, 3, 2})
result1 := s.LastIndexOf(0, func(a, b int) bool { return a == b })
result2 := s.LastIndexOf(2, func(a, b int) bool { return a == b })
fmt.Println(result1)
fmt.Println(result2)
// Output:
// -1
// 3
}

View File

@@ -381,3 +381,22 @@ func TestStream_Min(t *testing.T) {
assert.Equal(1, max)
assert.Equal(true, ok)
}
func TestStream_IndexOf(t *testing.T) {
assert := internal.NewAssert(t, "TestStream_IndexOf")
s := FromSlice([]int{4, 2, 1, 3, 4})
assert.Equal(-1, s.IndexOf(0, func(a, b int) bool { return a == b }))
assert.Equal(0, s.IndexOf(4, func(a, b int) bool { return a == b }))
assert.Equal(3, s.IndexOf(3, func(a, b int) bool { return a == b }))
}
func TestStream_LastIndexOf(t *testing.T) {
assert := internal.NewAssert(t, "TestStream_LastIndexOf")
s := FromSlice([]int{4, 2, 1, 3, 2})
assert.Equal(-1, s.LastIndexOf(0, func(a, b int) bool { return a == b }))
assert.Equal(4, s.LastIndexOf(2, func(a, b int) bool { return a == b }))
}

View File

@@ -627,7 +627,7 @@ func HammingDistance(a, b string) (int, error) {
// - `length` is the expected length of the concatenated string.
// - if you are unsure about the length of the string to be concatenated, please pass 0 or a negative number.
//
// Play: todo
// Play: https://go.dev/play/p/gD52SZHr4Kp
func Concat(length int, str ...string) string {
if len(str) == 0 {
return ""
@@ -647,7 +647,7 @@ func Concat(length int, str ...string) string {
}
// Ellipsis truncates a string to a specified length and appends an ellipsis.
// Play: todo
// Play: https://go.dev/play/p/i1vbdQiQVRR
func Ellipsis(str string, length int) string {
str = strings.TrimSpace(str)
@@ -665,7 +665,7 @@ func Ellipsis(str string, length int) string {
}
// Shuffle the order of characters of given string.
// Play: todo
// Play: https://go.dev/play/p/iStFwBwyGY7
func Shuffle(str string) string {
runes := []rune(str)
@@ -678,7 +678,7 @@ func Shuffle(str string) string {
}
// Rotate rotates the string by the specified number of characters.
// Play: todo
// Play: https://go.dev/play/p/Kf03iOeT5bd
func Rotate(str string, shift int) string {
if shift == 0 {
return str
@@ -709,7 +709,7 @@ func Rotate(str string, shift int) string {
// The placeholders are enclosed in curly braces, e.g. {key}.
// for example, the template string is "Hello, {name}!", and the data map is {"name": "world"},
// the result will be "Hello, world!".
// Play: todo
// Play: https://go.dev/play/p/cXSuFvyZqv9
func TemplateReplace(template string, data map[string]string) string {
re := regexp.MustCompile(`\{(\w+)\}`)
@@ -729,9 +729,30 @@ func TemplateReplace(template string, data map[string]string) string {
}
// RegexMatchAllGroups Matches all subgroups in a string using a regular expression and returns the result.
// Play: todo
// Play: https://go.dev/play/p/JZiu0RXpgN-
func RegexMatchAllGroups(pattern, str string) [][]string {
re := regexp.MustCompile(pattern)
matches := re.FindAllStringSubmatch(str, -1)
return matches
}
// ExtractContent extracts the content between the start and end strings in the source string.
// Play: todo
func ExtractContent(s, start, end string) []string {
result := []string{}
for {
if _, after, ok := strings.Cut(s, start); ok {
if before, _, ok := strings.Cut(after, end); ok {
result = append(result, before)
s = after
} else {
break
}
} else {
break
}
}
return result
}

View File

@@ -753,3 +753,15 @@ func ExampleRegexMatchAllGroups() {
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}
func ExampleExtractContent() {
html := `<span>content1</span>aa<span>content2</span>bb<span>content1</span>`
result := ExtractContent(html, "<span>", "</span>")
fmt.Println(result)
// Output:
// [content1 content2 content1]
}

View File

@@ -853,3 +853,87 @@ func TestRegexMatchAllGroups(t *testing.T) {
assert.Equal(tt.expected, result)
}
}
func TestExtractContent(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestExtractContent")
tests := []struct {
name string
input string
start string
end string
expected []string
}{
{
name: "Extract content between <tag> and </tag>",
input: "This is <tag>content1</tag> and <tag>content2</tag> and <tag>content3</tag>",
start: "<tag>",
end: "</tag>",
expected: []string{"content1", "content2", "content3"},
},
{
name: "No tags in the string",
input: "This string has no tags",
start: "<tag>",
end: "</tag>",
expected: []string{},
},
{
name: "Single tag pair",
input: "<tag>onlyContent</tag>",
start: "<tag>",
end: "</tag>",
expected: []string{"onlyContent"},
},
{
name: "Tags without end tag",
input: "This <tag>content without end tag",
start: "<tag>",
end: "</tag>",
expected: []string{},
},
{
name: "Tags with nested content",
input: "<tag>content <nested>inner</nested> end</tag>",
start: "<tag>",
end: "</tag>",
expected: []string{"content <nested>inner</nested> end"},
},
{
name: "Edge case with empty string",
input: "",
start: "<tag>",
end: "</tag>",
expected: []string{},
},
{
name: "Edge case with no start tag",
input: "content without start tag",
start: "<tag>",
end: "</tag>",
expected: []string{},
},
{
name: "Edge case with no end tag",
input: "<tag>content without end tag",
start: "<tag>",
end: "</tag>",
expected: []string{},
},
{
name: "Multiple consecutive tags",
input: "<tag>content1</tag><tag>content2</tag><tag>content3</tag>",
start: "<tag>",
end: "</tag>",
expected: []string{"content1", "content2", "content3"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := ExtractContent(tt.input, tt.start, tt.end)
assert.Equal(tt.expected, result)
})
}
}

View File

@@ -137,7 +137,7 @@ func GetOsBits() int {
}
// StartProcess start a new process with the specified name and arguments.
// Play: todo
// Play: https://go.dev/play/p/5GVol6ryS_X
func StartProcess(command string, args ...string) (int, error) {
cmd := exec.Command(command, args...)
@@ -149,7 +149,7 @@ func StartProcess(command string, args ...string) (int, error) {
}
// StopProcess stop a process by pid.
// Play: todo
// Play: https://go.dev/play/p/jJZhRYGGcmD
func StopProcess(pid int) error {
process, err := os.FindProcess(pid)
if err != nil {
@@ -160,7 +160,7 @@ func StopProcess(pid int) error {
}
// KillProcess kill a process by pid.
// Play: todo
// Play: https://go.dev/play/p/XKmvV-ExBWa
func KillProcess(pid int) error {
process, err := os.FindProcess(pid)
if err != nil {
@@ -186,7 +186,7 @@ type ProcessInfo struct {
}
// GetProcessInfo retrieves detailed process information by pid.
// Play: todo
// Play: https://go.dev/play/p/NQDVywEYYx7
func GetProcessInfo(pid int) (*ProcessInfo, error) {
var cmd *exec.Cmd

100
xerror/trycatch.go Normal file
View File

@@ -0,0 +1,100 @@
package xerror
import (
"context"
"fmt"
"runtime"
)
// TryCatch is a struct to handle try-catch-finally block.
// This implementation is merely a simulation of Java-style try-catch and does not align with Go's error-handling philosophy. It is recommended to use it with caution.
type TryCatch struct {
ctx context.Context
tryFunc func(ctx context.Context) error
catchFunc func(ctx context.Context, err error)
finallyFunc func(ctx context.Context)
}
// NewTryCatch creates a new TryCatch instance.
func NewTryCatch(ctx context.Context) *TryCatch {
return &TryCatch{
ctx: ctx,
}
}
// Try sets the try function.
func (tc *TryCatch) Try(tryFunc func(ctx context.Context) error) *TryCatch {
tc.tryFunc = tryFunc
return tc
}
// Catch sets the catch function.
func (tc *TryCatch) Catch(catchFunc func(ctx context.Context, err error)) *TryCatch {
tc.catchFunc = catchFunc
return tc
}
// Finally sets the finally function.
func (tc *TryCatch) Finally(finallyFunc func(ctx context.Context)) *TryCatch {
tc.finallyFunc = finallyFunc
return tc
}
// Do executes the try-catch-finally block.
func (tc *TryCatch) Do() {
defer func() {
if r := recover(); r != nil {
if tc.catchFunc != nil {
err := fmt.Errorf("panic: %v", r)
tc.catchFunc(tc.ctx, WrapCatchError(err, "Recovered from panic"))
}
}
if tc.finallyFunc != nil {
tc.finallyFunc(tc.ctx)
}
}()
if tc.ctx.Err() != nil {
if tc.catchFunc != nil {
tc.catchFunc(tc.ctx, WrapCatchError(tc.ctx.Err(), "Context cancelled or timed out"))
}
return
}
if tc.tryFunc != nil {
if err := tc.tryFunc(tc.ctx); err != nil {
if tc.catchFunc != nil {
tc.catchFunc(tc.ctx, WrapCatchError(err, "Error in try block"))
}
}
}
}
// CatchError is an error type to handle try-catch-finally block.
type CatchError struct {
Msg string
File string
Line int
Cause error
}
// Error returns the error message.
func (e *CatchError) Error() string {
return fmt.Sprintf("%s at %s:%d - Cause: %v", e.Msg, e.File, e.Line, e.Cause)
}
// WrapCatchError wraps an error with message, file, and line.
func WrapCatchError(err error, msg string) *CatchError {
_, file, line, ok := runtime.Caller(2)
if !ok {
file = "unknown"
line = 0
}
return &CatchError{
Msg: msg,
File: file,
Line: line,
Cause: err,
}
}

172
xerror/trycatch_test.go Normal file
View File

@@ -0,0 +1,172 @@
package xerror
import (
"context"
"errors"
"testing"
"github.com/duke-git/lancet/v2/internal"
)
func TestTryCatchSuccess(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchSuccess")
counter := 0
calledCatch := false
calledFinally := false
tc := NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
counter++
return nil
}).Catch(func(ctx context.Context, err error) {
calledCatch = true
t.Errorf("Catch should not be called")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal(1, counter)
assert.Equal(false, calledCatch)
assert.Equal(true, calledFinally)
}
func TestTryCatchError(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchError")
var catchedError error
calledFinally := false
tc := NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
return errors.New("error")
}).Catch(func(ctx context.Context, err error) {
catchedError = errors.New("catched error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal("catched error", catchedError.Error())
assert.Equal(true, calledFinally)
}
func TestTryCatchPanic(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchPanic")
var catchedError error
calledFinally := false
tc := NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
panic("panic info")
}).Catch(func(ctx context.Context, err error) {
catchedError = errors.New("catched error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal("catched error", catchedError.Error())
assert.Equal(true, calledFinally)
}
func TestTryCatchContextCancelled(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchContextCancelled")
var catchedError error
calledFinally := false
ctx, cancel := context.WithCancel(context.Background())
cancel()
tc := NewTryCatch(ctx)
tc.Try(func(ctx context.Context) error {
return nil
}).Catch(func(ctx context.Context, err error) {
catchedError = errors.New("catched error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal("catched error", catchedError.Error())
assert.Equal(true, calledFinally)
}
func TestTryCatchContextTimeout(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchContextTimeout")
var catchedError error
calledFinally := false
ctx, cancel := context.WithTimeout(context.Background(), 0)
defer cancel()
tc := NewTryCatch(ctx)
tc.Try(func(ctx context.Context) error {
return nil
}).Catch(func(ctx context.Context, err error) {
catchedError = errors.New("catched error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal("catched error", catchedError.Error())
assert.Equal(true, calledFinally)
}
func TestTryCatchContextError(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchContextError")
var catchedError error
calledFinally := false
ctx, cancel := context.WithTimeout(context.Background(), 0)
defer cancel()
tc := NewTryCatch(ctx)
tc.Try(func(ctx context.Context) error {
return errors.New("error")
}).Catch(func(ctx context.Context, err error) {
catchedError = errors.New("catched error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal("catched error", catchedError.Error())
assert.Equal(true, calledFinally)
}
func TestTryCatchNoCatch(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTryCatchNoCatch")
calledFinally := false
tc := NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
return errors.New("error")
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
assert.Equal(true, calledFinally)
}

View File

@@ -1,6 +1,7 @@
package xerror
import (
"context"
"errors"
"fmt"
"reflect"
@@ -61,7 +62,7 @@ func ExampleXError_StackTrace() {
// Output:
// github.com/duke-git/lancet/v2/xerror.ExampleXError_StackTrace
// 52
// 53
// true
}
@@ -154,3 +155,27 @@ func ExampleTryUnwrap() {
// 42
// true
}
func ExampleTryCatch() {
calledFinally := false
calledCatch := false
tc := NewTryCatch(context.Background())
tc.Try(func(ctx context.Context) error {
return errors.New("error message")
}).Catch(func(ctx context.Context, err error) {
calledCatch = true
// Error in try block at /path/xxx.go:174 - Cause: error message
// fmt.Println(err.Error())
}).Finally(func(ctx context.Context) {
calledFinally = true
}).Do()
fmt.Println(calledCatch)
fmt.Println(calledFinally)
// Output:
// true
// true
}