doc: fix missing word in file condition.md

update readme file: add new package and function
refactor: change TernaryOperator signature
2026-03-01 00:35:28 +08:00 · 2022-08-29 14:02:30 +08:00 · 2022-08-29 11:50:37 +08:00 · 2022-08-29 11:27:51 +08:00 · 2022-08-29 11:23:02 +08:00 · 2022-08-28 20:58:34 +08:00
20 changed files with 1196 additions and 75 deletions
--- a/README.md
+++ b/README.md
@@ -107,7 +107,22 @@ import "github.com/duke-git/lancet/v2/concurrency"
 - [Take](https://github.com/duke-git/lancet/blob/main/docs/concurrency.md#Take)
 - [Tee](https://github.com/duke-git/lancet/blob/main/docs/concurrency.md#Tee)

-### 3. Convertor package contains some functions for data convertion.
+
+### 3. Condition package contains some functions for conditional judgment. eg. And, Or, TernaryOperator...
+
+```go
+import "github.com/duke-git/lancet/v2/condition"
+```
+#### Function list:
+- [Bool](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Bool)
+- [And](https://github.com/duke-git/lancet/blob/main/docs/condition.md#And)
+- [Or](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Or)
+- [Xor](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Xor)
+- [Nor](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Nor)
+- [Nand](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Nand)
+- [TernaryOperator](https://github.com/duke-git/lancet/blob/main/docs/condition.md#TernaryOperator)
+  
+### 4. Convertor package contains some functions for data convertion.

 ```go
 import "github.com/duke-git/lancet/v2/convertor"
@@ -127,8 +142,10 @@ import "github.com/duke-git/lancet/v2/convertor"
 - [ToString](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#ToString)
 - [StructToMap](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#StructToMap)
 - [MapToSlice](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#MapToSlice)
+- [EncodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#EncodeByte)
+- [DecodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#DecodeByte)
  
-### 4. Cryptor package is for data encryption and decryption.
+### 5. Cryptor package is for data encryption and decryption.

 ```go
 import "github.com/duke-git/lancet/v2/cryptor"
@@ -168,7 +185,7 @@ import "github.com/duke-git/lancet/v2/cryptor"
 - [RsaEncrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor.md#RsaEncrypt)
 - [RsaDecrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor.md#RsaDecrypt)

-### 5. Datetime package supports date and time format and compare.
+### 6. Datetime package supports date and time format and compare.


 ```go
@@ -208,7 +225,7 @@ import "github.com/duke-git/lancet/v2/datetime"



-### 6. Datastructure package constains some common data structure. eg. list, linklist, stack, queue, set, tree, graph.
+### 7. Datastructure package constains some common data structure. eg. list, linklist, stack, queue, set, tree, graph.


 ```go
@@ -219,6 +236,7 @@ import queue "github.com/duke-git/lancet/v2/datastructure/queue"
 import set "github.com/duke-git/lancet/v2/datastructure/set"
 import tree "github.com/duke-git/lancet/v2/datastructure/tree"
 import heap "github.com/duke-git/lancet/v2/datastructure/heap"
+import hashmap "github.com/duke-git/lancet/v2/datastructure/hashmap"
 ```
 #### Function list:
 - [List](https://github.com/duke-git/lancet/blob/main/docs/datastructure/list.md)
@@ -228,9 +246,10 @@ import heap "github.com/duke-git/lancet/v2/datastructure/heap"
 - [Set](https://github.com/duke-git/lancet/blob/main/docs/datastructure/set.md)
 - [Tree](https://github.com/duke-git/lancet/blob/main/docs/datastructure/tree.md)
 - [Heap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/heap.md)
+- [HashMap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/hashmap.md)


-### 7. Fileutil package implements some basic functions for file operations.
+### 8. Fileutil package implements some basic functions for file operations.

 ```go
 import "github.com/duke-git/lancet/v2/fileutil"
@@ -254,7 +273,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
 - [Zip](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#Zip)
 - [UnZip](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#UnZip)

-### 8. Formatter contains some functions for data formatting.
+### 9. Formatter contains some functions for data formatting.

 ```go
 import "github.com/duke-git/lancet/v2/formatter"
@@ -262,7 +281,7 @@ import "github.com/duke-git/lancet/v2/formatter"
 #### Function list:
 - [Comma](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#Comma)

-### 9. Function package can control the flow of function execution and support part of functional programming
+### 10. Function package can control the flow of function execution and support part of functional programming

 ```go
 import "github.com/duke-git/lancet/v2/function"
@@ -278,7 +297,7 @@ import "github.com/duke-git/lancet/v2/function"
 - [Watcher](https://github.com/duke-git/lancet/blob/main/docs/function.md#Watcher)


-### 10. Maputil package includes some functions to manipulate map.
+### 11. Maputil package includes some functions to manipulate map.

 ```go
 import "github.com/duke-git/lancet/v2/maputil"
@@ -295,7 +314,7 @@ import "github.com/duke-git/lancet/v2/maputil"
 - [IsDisjoint](https://github.com/duke-git/lancet/blob/main/docs/maputil.md#IsDisjoint)


-### 11. Mathutil package implements some functions for math calculation.
+### 12. Mathutil package implements some functions for math calculation.

 ```go
 import "github.com/duke-git/lancet/v2/mathutil"
@@ -316,7 +335,7 @@ import "github.com/duke-git/lancet/v2/mathutil"
 - [TruncRound](https://github.com/duke-git/lancet/blob/main/docs/mathutil.md#TruncRound)


-### 12. Netutil package contains functions to get net information and send http request.
+### 13. Netutil package contains functions to get net information and send http request.

 ```go
 import "github.com/duke-git/lancet/v2/netutil"
@@ -324,14 +343,14 @@ import "github.com/duke-git/lancet/v2/netutil"

 #### Function list:
 - [ConvertMapToQueryString](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#ConvertMapToQueryString)
- [EncodeUrl](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#EncodeUrl)
+- [EncodeUrl](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#EncodeUrl)
 - [GetInternalIp](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetInternalIp)
 - [GetIps](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetIps)
 - [GetMacAddrs](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetMacAddrs)
 - [GetPublicIpInfo](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetPublicIpInfo)
 - [GetRequestPublicIp](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetRequestPublicIp)
 - [IsPublicIP](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#IsPublicIP)
- [IsInternalIP](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#IsInternalIP)
+- [IsInternalIP](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#IsInternalIP)
 - [HttpGet](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpGet)
 - [HttpDelete](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpDelete)
 - [HttpPost](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpPost)
@@ -339,7 +358,7 @@ import "github.com/duke-git/lancet/v2/netutil"
 - [HttpPatch](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpPatch)
 - [ParseHttpResponse](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#ParseHttpResponse)

-### 13. Random package implements some basic functions to generate random int and string.
+### 14. Random package implements some basic functions to generate random int and string.

 ```go
 import "github.com/duke-git/lancet/v2/random"
@@ -351,7 +370,7 @@ import "github.com/duke-git/lancet/v2/random"
 - [RandString](https://github.com/duke-git/lancet/blob/main/docs/random.md#RandString)
 - [UUIdV4](https://github.com/duke-git/lancet/blob/main/docs/random.md#UUIdV4)

-### 14. Retry package is for executing a function repeatedly until it was successful or canceled by the context.
+### 15. Retry package is for executing a function repeatedly until it was successful or canceled by the context.

 ```go
 import "github.com/duke-git/lancet/v2/retry"
@@ -364,7 +383,7 @@ import "github.com/duke-git/lancet/v2/retry"
 - [RetryDuration](https://github.com/duke-git/lancet/blob/main/docs/retry.md#RetryDuration)
 - [RetryTimes](https://github.com/duke-git/lancet/blob/main/docs/retry.md#RetryTimes)

-### 15. Slice contains some functions to manipulate slice.
+### 16. Slice contains some functions to manipulate slice.

 ```go
 import "github.com/duke-git/lancet/v2/slice"
@@ -416,7 +435,7 @@ import "github.com/duke-git/lancet/v2/slice"
 - [UpdateAt](https://github.com/duke-git/lancet/blob/main/docs/slice.md#UpdateAt)
 - [Without](https://github.com/duke-git/lancet/blob/main/docs/slice.md#Without)

-### 16. Strutil package contains some functions to manipulate string.
+### 17. Strutil package contains some functions to manipulate string.
 ```go
 import "github.com/duke-git/lancet/v2/strutil"
 ```
@@ -441,7 +460,7 @@ import "github.com/duke-git/lancet/v2/strutil"
 - [Wrap](https://github.com/duke-git/lancet/blob/main/docs/strutil.md#Wrap)
 - [Unwrap](https://github.com/duke-git/lancet/blob/main/docs/strutil.md#Unwrap)
  
-### 17. System package contain some functions about os, runtime, shell command.
+### 19. System package contain some functions about os, runtime, shell command.

 ```go
 import "github.com/duke-git/lancet/v2/system"
@@ -457,7 +476,7 @@ import "github.com/duke-git/lancet/v2/system"
 - [ExecCommand](https://github.com/duke-git/lancet/blob/main/docs/system.md#ExecCommand)
 - [GetOsBits](https://github.com/duke-git/lancet/blob/main/docs/system.md#GetOsBits)

-### 18. Validator package contains some functions for data validation.
+### 19. Validator package contains some functions for data validation.

 ```go
 import "github.com/duke-git/lancet/v2/validator"
@@ -491,7 +510,8 @@ import "github.com/duke-git/lancet/v2/validator"
 - [IsStrongPassword](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsStrongPassword)
 - [IsUrl](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsUrl)
 - [IsWeakPassword](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsWeakPassword)
-### 19. xerror package implements helpers for errors.
+- [IsZeroValue](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsZeroValue)
+### 20. xerror package implements helpers for errors.

 ```go
 import "github.com/duke-git/lancet/v2/xerror"
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -89,7 +89,7 @@ import "github.com/duke-git/lancet/v2/algorithm"
 - [LRUCache](https://github.com/duke-git/lancet/blob/main/docs/algorithm_zh-CN.md#LRUCache)


-### 2. 并发包包含一些支持并发编程的功能。例如：goroutine, channel, async等。
+### 2. concurrency并发包包含一些支持并发编程的功能。例如：goroutine, channel, async等。

 ```go
 import "github.com/duke-git/lancet/v2/concurrency"
@@ -105,8 +105,23 @@ import "github.com/duke-git/lancet/v2/concurrency"
 - [RepeatFn](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#RepeatFn)
 - [Take](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#Take)
 - [Tee](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#Tee)
+
+
+### 3. condition条件包含一些用于条件判断的函数。eg. And, Or, TernaryOperator...
+
+```go
+import "github.com/duke-git/lancet/v2/condition"
+```
+#### Function list:
+- [Bool](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Bool)
+- [And](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#And)
+- [Or](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Or)
+- [Xor](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Xor)
+- [Nor](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Nor)
+- [Nand](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Nand)
+- [TernaryOperator](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#TernaryOperator)
  
-### 3. convertor转换器包支持一些常见的数据类型转换。
+### 4. convertor转换器包支持一些常见的数据类型转换。

 ```go
 import "github.com/duke-git/lancet/v2/convertor"
@@ -126,7 +141,10 @@ import "github.com/duke-git/lancet/v2/convertor"
 - [ToString](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#ToString)
 - [StructToMap](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#StructToMap)
 - [MapToSlice](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#MapToSlice)
-### 4. cryptor加密包支持数据加密和解密，获取md5，hash值。支持base64, md5, hmac, aes, des, rsa。
+- [EncodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#EncodeByte)
+- [DecodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#DecodeByte)
+  
+### 5. cryptor加密包支持数据加密和解密，获取md5，hash值。支持base64, md5, hmac, aes, des, rsa。

 ```go
 import "github.com/duke-git/lancet/v2/cryptor"
@@ -166,7 +184,7 @@ import "github.com/duke-git/lancet/v2/cryptor"
 - [RsaEncrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor_zh-CN.md#RsaEncrypt)
 - [RsaDecrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor_zh-CN.md#RsaDecrypt)

-### 5. datetime日期时间处理包，格式化日期，比较日期。
+### 6. datetime日期时间处理包，格式化日期，比较日期。


 ```go
@@ -205,7 +223,7 @@ import "github.com/duke-git/lancet/v2/datetime"
 - [ToIso8601](https://github.com/duke-git/lancet/blob/main/docs/datetime_zh-CN.md#ToIso8601)


-### 6. datastructure包含一些普通的数据结构实现。例如：list, linklist, stack, queue, set, tree, graph.
+### 7. datastructure包含一些普通的数据结构实现。例如：list, linklist, stack, queue, set, tree, graph.


 ```go
@@ -216,6 +234,7 @@ import queue "github.com/duke-git/lancet/v2/datastructure/queue"
 import set "github.com/duke-git/lancet/v2/datastructure/set"
 import tree "github.com/duke-git/lancet/v2/datastructure/tree"
 import heap "github.com/duke-git/lancet/v2/datastructure/heap"
+import hashmap "github.com/duke-git/lancet/v2/datastructure/hashmap"
 ```
 #### Function list:
 - [List](https://github.com/duke-git/lancet/blob/main/docs/datastructure/list_zh-CN.md)
@@ -225,9 +244,10 @@ import heap "github.com/duke-git/lancet/v2/datastructure/heap"
 - [Set](https://github.com/duke-git/lancet/blob/main/docs/datastructure/set_zh-CN.md)
 - [Tree](https://github.com/duke-git/lancet/blob/main/docs/datastructure/tree_zh-CN.md)
 - [Heap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/heap.md)
+- [HashMap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/hashmap.md)


-### 7. fileutil包支持文件基本操作。
+### 8. fileutil包支持文件基本操作。

 ```go
 import "github.com/duke-git/lancet/v2/fileutil"
@@ -251,7 +271,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
 - [Zip](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#Zip)
 - [UnZip](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#UnZip)

-### 8. formatter格式化器包含一些数据格式化处理方法。
+### 9. formatter格式化器包含一些数据格式化处理方法。

 ```go
 import "github.com/duke-git/lancet/v2/formatter"
@@ -260,7 +280,7 @@ import "github.com/duke-git/lancet/v2/formatter"
 - [Comma](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#Comma)


-### 9. function函数包控制函数执行流程，包含部分函数式编程。
+### 10. function函数包控制函数执行流程，包含部分函数式编程。

 ```go
 import "github.com/duke-git/lancet/v2/function"
@@ -276,7 +296,7 @@ import "github.com/duke-git/lancet/v2/function"
 - [Watcher](https://github.com/duke-git/lancet/blob/main/docs/function_zh-CN.md#Watcher)


-### 10. maputil包包括一些操作map的函数.
+### 11. maputil包包括一些操作map的函数.

 ```go
 import "github.com/duke-git/lancet/v2/maputil"
@@ -292,7 +312,7 @@ import "github.com/duke-git/lancet/v2/maputil"
 - [Values](https://github.com/duke-git/lancet/blob/main/docs/maputil_zh-CN.md#Values)
 - [IsDisjoint](https://github.com/duke-git/lancet/blob/main/docs/maputil_zh-CN.md#IsDisjoint)

-### 11. mathutil包实现了一些数学计算的函数。
+### 12. mathutil包实现了一些数学计算的函数。

 ```go
 import "github.com/duke-git/lancet/v2/mathutil"
@@ -312,7 +332,7 @@ import "github.com/duke-git/lancet/v2/mathutil"
 - [RoundToString](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#RoundToString)
 - [TruncRound](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#TruncRound)

-### 12. netutil网络包支持获取ip地址，发送http请求。
+### 13. netutil网络包支持获取ip地址，发送http请求。

 ```go
 import "github.com/duke-git/lancet/v2/netutil"
@@ -335,7 +355,7 @@ import "github.com/duke-git/lancet/v2/netutil"
 - [HttpPatch](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#HttpPatch)
 - [ParseHttpResponse](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#ParseHttpResponse)

-### 13. random随机数生成器包，可以生成随机[]bytes, int, string。
+### 14. random随机数生成器包，可以生成随机[]bytes, int, string。

 ```go
 import "github.com/duke-git/lancet/v2/random"
@@ -346,7 +366,7 @@ import "github.com/duke-git/lancet/v2/random"
 - [RandInt](https://github.com/duke-git/lancet/blob/main/docs/random_zh-CN.md#RandInt)
 - [RandString](https://github.com/duke-git/lancet/blob/main/docs/random_zh-CN.md#RandString)
 - [UUIdV4](https://github.com/duke-git/lancet/blob/main/docs/random.md#UUIdV4)
-### 14. retry重试执行函数直到函数运行成功或被context cancel。
+### 15. retry重试执行函数直到函数运行成功或被context cancel。

 ```go
 import "github.com/duke-git/lancet/v2/retry"
@@ -360,7 +380,7 @@ import "github.com/duke-git/lancet/v2/retry"
 - [RetryTimes](https://github.com/duke-git/lancet/blob/main/docs/retry_zh-CN.md#RetryTimes)


-### 15. slice包包含操作切片的方法集合。
+### 16. slice包包含操作切片的方法集合。

 ```go
 import "github.com/duke-git/lancet/v2/slice"
@@ -411,7 +431,7 @@ import "github.com/duke-git/lancet/v2/slice"
 - [Without](https://github.com/duke-git/lancet/blob/main/docs/slice_zh-CN.md#Without)


-### 16. strutil包含处理字符串的相关函数。
+### 17. strutil包含处理字符串的相关函数。

 ```go
 import "github.com/duke-git/lancet/v2/strutil"
@@ -438,7 +458,7 @@ import "github.com/duke-git/lancet/v2/strutil"
 - [Unwrap](https://github.com/duke-git/lancet/blob/main/docs/strutil_zh-CN.md#Unwrap)
  

-### 17. system包含os, runtime, shell command相关函数。
+### 18. system包含os, runtime, shell command相关函数。

 ```go
 import "github.com/duke-git/lancet/v2/system"
@@ -455,7 +475,7 @@ import "github.com/duke-git/lancet/v2/system"
 - [ExecCommand](https://github.com/duke-git/lancet/blob/main/docs/system_zh-CN.md#ExecCommand)
 - [GetOsBits](https://github.com/duke-git/lancet/blob/main/docs/system_zh-CN.md#GetOsBits)

-### 18. validator验证器包，包含常用字符串格式验证函数。
+### 19. validator验证器包，包含常用字符串格式验证函数。

 ```go
 import "github.com/duke-git/lancet/v2/validator"
@@ -488,8 +508,9 @@ import "github.com/duke-git/lancet/v2/validator"
 - [IsStrongPassword](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsStrongPassword)
 - [IsUrl](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsUrl)
 - [IsWeakPassword](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsWeakPassword)
+- [IsZeroValue](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsZeroValue)

-### 19. xerror包实现一些错误处理函数
+### 20. xerror包实现一些错误处理函数

 ```go
 import "github.com/duke-git/lancet/v2/xerror"
--- a/condition/condition.go
+++ b/condition/condition.go
@@ -0,0 +1,77 @@
+// Copyright 2021 dudaodong@gmail.com. All rights reserved.
+// Use of this source code is governed by MIT license
+
+// Package condition contains some functions for conditional judgment. eg. And, Or, TernaryOperator ...
+// The implementation of this package refers to the implementation of carlmjohnson's truthy package, you may find more
+// useful information in truthy(https://github.com/carlmjohnson/truthy), thanks carlmjohnson.
+package condition
+
+import "reflect"
+
+// Bool returns the truthy value of anything.
+// If the value's type has a Bool() bool method, the method is called and returned.
+// If the type has an IsZero() bool method, the opposite value is returned.
+// Slices and maps are truthy if they have a length greater than zero.
+// All other types are truthy if they are not their zero value.
+func Bool[T any](value T) bool {
+	switch m := any(value).(type) {
+	case interface{ Bool() bool }:
+		return m.Bool()
+	case interface{ IsZero() bool }:
+		return !m.IsZero()
+	}
+	return reflectValue(&value)
+}
+
+func reflectValue(vp any) bool {
+	switch rv := reflect.ValueOf(vp).Elem(); rv.Kind() {
+	case reflect.Map, reflect.Slice:
+		return rv.Len() != 0
+	default:
+		is := rv.IsZero()
+		return !is
+	}
+}
+
+// And returns true if both a and b are truthy.
+func And[T, U any](a T, b U) bool {
+	return Bool(a) && Bool(b)
+}
+
+// Or returns false iff neither a nor b is truthy.
+func Or[T, U any](a T, b U) bool {
+	return Bool(a) || Bool(b)
+}
+
+// Xor returns true iff a or b but not both is truthy.
+func Xor[T, U any](a T, b U) bool {
+	valA := Bool(a)
+	valB := Bool(b)
+	return (valA || valB) && valA != valB
+}
+
+// Nor returns true iff neither a nor b is truthy.
+func Nor[T, U any](a T, b U) bool {
+	return !(Bool(a) || Bool(b))
+}
+
+// Xnor returns true iff both a and b or neither a nor b are truthy.
+func Xnor[T, U any](a T, b U) bool {
+	valA := Bool(a)
+	valB := Bool(b)
+	return (valA && valB) || (!valA && !valB)
+}
+
+// Nand returns false iff both a and b are truthy.
+func Nand[T, U any](a T, b U) bool {
+	return !Bool(a) || !Bool(b)
+}
+
+// TernaryOperator checks the value of param `isTrue`, if true return ifValue else return elseValue
+func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U {
+	if Bool(isTrue) {
+		return ifValue
+	} else {
+		return elseValue
+	}
+}
--- a/condition/condition_test.go
+++ b/condition/condition_test.go
@@ -0,0 +1,119 @@
+package condition
+
+import (
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/duke-git/lancet/v2/internal"
+)
+
+type TestStruct struct{}
+
+func TestBool(t *testing.T) {
+	assert := internal.NewAssert(t, "TestBool")
+
+	// bool
+	assert.Equal(false, Bool(false))
+	assert.Equal(true, Bool(true))
+
+	// integer
+	assert.Equal(false, Bool(0))
+	assert.Equal(true, Bool(1))
+
+	// float
+	assert.Equal(false, Bool(0.0))
+	assert.Equal(true, Bool(0.1))
+
+	// string
+	assert.Equal(false, Bool(""))
+	assert.Equal(true, Bool(" "))
+	assert.Equal(true, Bool("0"))
+
+	// slice
+	var nums [2]int
+	assert.Equal(false, Bool(nums))
+	nums = [2]int{0, 1}
+	assert.Equal(true, Bool(nums))
+
+	// map
+	assert.Equal(false, Bool(map[string]string{}))
+	assert.Equal(true, Bool(map[string]string{"a": "a"}))
+
+	// channel
+	var ch chan int
+	assert.Equal(false, Bool(ch))
+	ch = make(chan int)
+	assert.Equal(true, Bool(ch))
+
+	//  interface
+	var err error
+	assert.Equal(false, Bool(err))
+	err = errors.New("error message")
+	assert.Equal(true, Bool(err))
+
+	// struct
+	assert.Equal(false, Bool(struct{}{}))
+	assert.Equal(true, Bool(time.Now()))
+
+	// struct pointer
+	ts := TestStruct{}
+	assert.Equal(false, Bool(ts))
+	assert.Equal(true, Bool(&ts))
+}
+
+func TestAnd(t *testing.T) {
+	assert := internal.NewAssert(t, "TestAnd")
+	assert.Equal(false, And(0, 1))
+	assert.Equal(false, And(0, ""))
+	assert.Equal(false, And(0, "0"))
+	assert.Equal(true, And(1, "0"))
+}
+
+func TestOr(t *testing.T) {
+	assert := internal.NewAssert(t, "TestOr")
+	assert.Equal(false, Or(0, ""))
+	assert.Equal(true, Or(0, 1))
+	assert.Equal(true, Or(0, "0"))
+	assert.Equal(true, Or(1, "0"))
+}
+
+func TestXor(t *testing.T) {
+	assert := internal.NewAssert(t, "TestOr")
+	assert.Equal(false, Xor(0, 0))
+	assert.Equal(true, Xor(0, 1))
+	assert.Equal(true, Xor(1, 0))
+	assert.Equal(false, Xor(1, 1))
+}
+
+func TestNor(t *testing.T) {
+	assert := internal.NewAssert(t, "TestNor")
+	assert.Equal(true, Nor(0, 0))
+	assert.Equal(false, Nor(0, 1))
+	assert.Equal(false, Nor(1, 0))
+	assert.Equal(false, Nor(1, 1))
+}
+
+func TestXnor(t *testing.T) {
+	assert := internal.NewAssert(t, "TestXnor")
+	assert.Equal(true, Xnor(0, 0))
+	assert.Equal(false, Xnor(0, 1))
+	assert.Equal(false, Xnor(1, 0))
+	assert.Equal(true, Xnor(1, 1))
+}
+
+func TestNand(t *testing.T) {
+	assert := internal.NewAssert(t, "TestNand")
+	assert.Equal(true, Nand(0, 0))
+	assert.Equal(true, Nand(0, 1))
+	assert.Equal(true, Nand(1, 0))
+	assert.Equal(false, Nand(1, 1))
+}
+
+func TestTernaryOperator(t *testing.T) {
+	assert := internal.NewAssert(t, "TernaryOperator")
+	trueValue := "1"
+	falseValue := "0"
+
+	assert.Equal(trueValue, TernaryOperator(true, trueValue, falseValue))
+}
--- a/convertor/convertor.go
+++ b/convertor/convertor.go
@@ -7,6 +7,7 @@ package convertor
 import (
 	"bytes"
 	"encoding/binary"
+	"encoding/gob"
 	"encoding/json"
 	"fmt"
 	"math"
@@ -270,3 +271,21 @@ func ColorRGBToHex(red, green, blue int) string {

 	return "#" + r + g + b
 }
+
+// EncodeByte encode data to byte
+func EncodeByte(data any) ([]byte, error) {
+	buffer := bytes.NewBuffer(nil)
+	encoder := gob.NewEncoder(buffer)
+	err := encoder.Encode(data)
+	if err != nil {
+		return nil, err
+	}
+	return buffer.Bytes(), nil
+}
+
+// DecodeByte decode byte data to target object
+func DecodeByte(data []byte, target any) error {
+	buffer := bytes.NewBuffer(data)
+	decoder := gob.NewDecoder(buffer)
+	return decoder.Decode(target)
+}
--- a/convertor/convertor_test.go
+++ b/convertor/convertor_test.go
@@ -238,3 +238,21 @@ func TestToPointer(t *testing.T) {

 	assert.Equal(*result, 123)
 }
+
+func TestEncodeByte(t *testing.T) {
+	assert := internal.NewAssert(t, "TestEncodeByte")
+
+	byteData, _ := EncodeByte("abc")
+	expected := []byte{6, 12, 0, 3, 97, 98, 99}
+
+	assert.Equal(expected, byteData)
+}
+
+func TestDecodeByte(t *testing.T) {
+	assert := internal.NewAssert(t, "TestDecodeByte")
+
+	var obj string
+	byteData := []byte{6, 12, 0, 3, 97, 98, 99}
+	DecodeByte(byteData, &obj)
+	assert.Equal("abc", obj)
+}
--- a/datastructure/hashmap/hashmap.go
+++ b/datastructure/hashmap/hashmap.go
@@ -98,6 +98,8 @@ func (hm *HashMap) resize() {

 	tempTable := hm.table

+	hm.table = make([]*mapNode, hm.capacity)
+
 	for i := 0; i < len(tempTable); i++ {
 		node := tempTable[i]
 		if node == nil {
--- a/datastructure/hashmap/hashmap_test.go
+++ b/datastructure/hashmap/hashmap_test.go
@@ -19,6 +19,18 @@ func TestHashMap_PutAndGet(t *testing.T) {
 	assert.Equal(4, hm.Get("abc"))
 }

+func TestHashMap_Resize(t *testing.T) {
+	assert := internal.NewAssert(t, "TestHashMap_Resize")
+
+	hm := NewHashMapWithCapacity(3, 3)
+
+	for i := 0; i < 20; i++ {
+		hm.Put(i, 10)
+	}
+
+	assert.Equal(10, hm.Get(5))
+}
+
 func TestHashMap_Delete(t *testing.T) {
 	assert := internal.NewAssert(t, "TestHashMap_Delete")

--- a/docs/condition.md
+++ b/docs/condition.md
@@ -0,0 +1,264 @@
+# Condition
+Package condition contains some functions for conditional judgment. eg. And, Or, TernaryOperator... The implementation of this package refers to the implementation of carlmjohnson's truthy package, you may find more useful information in [truthy](https://github.com/carlmjohnson/truthy), thanks carlmjohnson.
+
+<div STYLE="page-break-after: always;"></div>
+
+## Source:
+
+- [https://github.com/duke-git/lancet/blob/main/condition/condition.go](https://github.com/duke-git/lancet/blob/main/condition/condition.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## Usage:
+```go
+import (
+    "github.com/duke-git/lancet/v2/condition"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## Index
+
+- [Bool](#Bool)
+- [And](#And)
+- [Or](#Or)
+- [Xor](#Generate)
+- [Nor](#Nor)
+- [Nand](#Nand)
+- [TernaryOperator](#TernaryOperator)
+
+<div STYLE="page-break-after: always;"></div>
+
+## Documentation
+
+
+### <span id="Bool">Bool</span>
+<p>Returns the truthy value of anything.<br/>
+If the value's type has a Bool() bool method, the method is called and returned.<br/>
+If the type has an IsZero() bool method, the opposite value is returned.<br/>
+Slices and maps are truthy if they have a length greater than zero.<br/>
+All other types are truthy if they are not their zero value.</p>
+
+<b>Signature:</b>
+
+```go
+func Bool[T any](value T) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	// bool
+	fmt.Println(condition.Bool(false)) // false
+	fmt.Println(condition.Bool(true)) // true
+
+	// integer
+	fmt.Println(condition.Bool(0)) // false
+	fmt.Println(condition.Bool(1)) // true
+
+	// float
+	fmt.Println(condition.Bool(0.0)) // false
+	fmt.Println(condition.Bool(0.1)) // true
+
+	// string
+	fmt.Println(condition.Bool("")) // false
+	fmt.Println(condition.Bool(" ")) // true
+	fmt.Println(condition.Bool("0")) // true
+
+	// slice
+	var nums [2]int
+	fmt.Println(condition.Bool(nums)) // false
+	nums = [2]int{0, 1}
+	fmt.Println(condition.Bool(nums)) // true
+
+	// map
+	fmt.Println(condition.Bool(map[string]string{})) // false
+	fmt.Println(condition.Bool(map[string]string{"a": "a"})) // true
+
+	// struct
+	fmt.Println(condition.Bool(struct{}{})) // false
+	fmt.Println(condition.Bool(time.Now())) // true
+}
+```
+
+
+
+### <span id="And">And</span>
+<p>Returns true if both a and b are truthy.</p>
+
+<b>Signature:</b>
+
+```go
+func And[T, U any](a T, b U) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.And(0, 1)) // false
+	fmt.Println(condition.And(0, "")) // false
+	fmt.Println(condition.And(0, "0")) // false
+	fmt.Println(condition.And(1, "0")) // true
+}
+```
+
+
+
+### <span id="Or">Or</span>
+<p>Returns false iff neither a nor b is truthy.</p>
+
+<b>Signature:</b>
+
+```go
+func Or[T, U any](a T, b U) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Or(0, "")) // false
+	fmt.Println(condition.Or(0, 1)) // true
+	fmt.Println(condition.Or(0, "0")) // true
+	fmt.Println(condition.Or(1, "0")) // true
+}
+```
+
+
+
+### <span id="Xor">Xor</span>
+<p>Returns true iff a or b but not both is truthy.</p>
+
+<b>Signature:</b>
+
+```go
+func Xor[T, U any](a T, b U) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Xor(0, 0)) // false
+	fmt.Println(condition.Xor(0, 1)) // true
+	fmt.Println(condition.Xor(1, 0)) // true
+	fmt.Println(condition.Xor(1, 1)) // false
+}
+```
+
+
+
+### <span id="Nor">Nor</span>
+<p>Returns true iff neither a nor b is truthy.</p>
+
+<b>Signature:</b>
+
+```go
+func Nor[T, U any](a T, b U) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Nor(0, 0)) // true
+	fmt.Println(condition.Nor(0, 1)) // false
+	fmt.Println(condition.Nor(1, 0)) // false
+	fmt.Println(condition.Nor(1, 1)) // true
+}
+```
+
+
+
+### <span id="Nand">Nand</span>
+<p>Returns false iff both a and b are truthy</p>
+
+<b>Signature:</b>
+
+```go
+func Nand[T, U any](a T, b U) bool
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Nand(0, 0)) // true
+	fmt.Println(condition.Nand(0, 1)) // true
+	fmt.Println(condition.Nand(1, 0)) // true
+	fmt.Println(condition.Nand(1, 1)) // false
+}
+```
+
+
+
+### <span id="TernaryOperator">TernaryOperator</span>
+<p>Checks the value of param `isTrue`, if true return ifValue else return elseValue</p>
+
+<b>Signature:</b>
+
+```go
+func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	trueValue := "1"
+	falseValue := "0"
+
+	fmt.Println(condition.TernaryOperator(true, trueValue, falseValue)) // "1"
+}
+```
+
+
+
+
+
+
--- a/docs/condition_zh-CN.md
+++ b/docs/condition_zh-CN.md
@@ -0,0 +1,263 @@
+# Condition
+condition包含一些用于条件判断的函数。这个包的实现参考了carlmjohnson的truthy包的实现，更多有用的信息可以在[truthy](https://github.com/carlmjohnson/truthy)中找到，感谢carlmjohnson。
+
+<div STYLE="page-break-after: always;"></div>
+
+## 源码:
+
+- [https://github.com/duke-git/lancet/blob/main/condition/condition.go](https://github.com/duke-git/lancet/blob/main/condition/condition.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## 用法:
+```go
+import (
+    "github.com/duke-git/lancet/v2/condition"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## Index
+
+- [Bool](#Bool)
+- [And](#And)
+- [Or](#Or)
+- [Xor](#Generate)
+- [Nor](#Nor)
+- [Nand](#Nand)
+- [TernaryOperator](#TernaryOperator)
+
+<div STYLE="page-break-after: always;"></div>
+
+## 目录
+
+### <span id="Bool">Bool</span>
+<p>返回传入参数的bool值.<br/>
+如果出入类型参数含有Bool方法, 会调用该方法并返回<br/>
+如果传入类型参数有IsZero方法, 返回IsZero方法返回值的取反<br/>
+slices和map的length大于0时，返回true，否则返回false<br/>
+其他类型会判断是否是零值</p>
+
+<b>函数签名:</b>
+
+```go
+func Bool[T any](value T) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	// bool
+	fmt.Println(condition.Bool(false)) // false
+	fmt.Println(condition.Bool(true)) // true
+
+	// integer
+	fmt.Println(condition.Bool(0)) // false
+	fmt.Println(condition.Bool(1)) // true
+
+	// float
+	fmt.Println(condition.Bool(0.0)) // false
+	fmt.Println(condition.Bool(0.1)) // true
+
+	// string
+	fmt.Println(condition.Bool("")) // false
+	fmt.Println(condition.Bool(" ")) // true
+	fmt.Println(condition.Bool("0")) // true
+
+	// slice
+	var nums [2]int
+	fmt.Println(condition.Bool(nums)) // false
+	nums = [2]int{0, 1}
+	fmt.Println(condition.Bool(nums)) // true
+
+	// map
+	fmt.Println(condition.Bool(map[string]string{})) // false
+	fmt.Println(condition.Bool(map[string]string{"a": "a"})) // true
+
+	// struct
+	fmt.Println(condition.Bool(struct{}{})) // false
+	fmt.Println(condition.Bool(time.Now())) // true
+}
+```
+
+
+
+### <span id="And">And</span>
+<p>逻辑且操作，当切仅当a和b都为true时返回true</p>
+
+<b>函数签名:</b>
+
+```go
+func And[T, U any](a T, b U) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.And(0, 1)) // false
+	fmt.Println(condition.And(0, "")) // false
+	fmt.Println(condition.And(0, "0")) // false
+	fmt.Println(condition.And(1, "0")) // true
+}
+```
+
+
+
+### <span id="Or">Or</span>
+<p>逻辑或操作，当切仅当a和b都为false时返回false</p>
+
+<b>函数签名:</b>
+
+```go
+func Or[T, U any](a T, b U) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Or(0, "")) // false
+	fmt.Println(condition.Or(0, 1)) // true
+	fmt.Println(condition.Or(0, "0")) // true
+	fmt.Println(condition.Or(1, "0")) // true
+}
+```
+
+
+
+### <span id="Xor">Xor</span>
+<p>逻辑异或操作，a和b相同返回false，a和b不相同返回true</p>
+
+<b>函数签名:</b>
+
+```go
+func Xor[T, U any](a T, b U) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Xor(0, 0)) // false
+	fmt.Println(condition.Xor(0, 1)) // true
+	fmt.Println(condition.Xor(1, 0)) // true
+	fmt.Println(condition.Xor(1, 1)) // false
+}
+```
+
+
+
+### <span id="Nor">Nor</span>
+<p>异或的取反操作</p>
+
+<b>函数签名:</b>
+
+```go
+func Nor[T, U any](a T, b U) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Nor(0, 0)) // true
+	fmt.Println(condition.Nor(0, 1)) // false
+	fmt.Println(condition.Nor(1, 0)) // false
+	fmt.Println(condition.Nor(1, 1)) // true
+}
+```
+
+
+
+### <span id="Nand">Nand</span>
+<p>如果a和b都为真，返回false，否则返回true</p>
+
+<b>函数签名:</b>
+
+```go
+func Nand[T, U any](a T, b U) bool
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	fmt.Println(condition.Nand(0, 0)) // true
+	fmt.Println(condition.Nand(0, 1)) // true
+	fmt.Println(condition.Nand(1, 0)) // true
+	fmt.Println(condition.Nand(1, 1)) // false
+}
+```
+
+
+
+### <span id="TernaryOperator">TernaryOperator</span>
+<p>三元运算符</p>
+
+<b>函数签名:</b>
+
+```go
+func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/condition"
+)
+
+func main() {
+	trueValue := "1"
+	falseValue := "0"
+
+	fmt.Println(condition.TernaryOperator(true, trueValue, falseValue)) // "1"
+}
+```
+
+
+
+
+
+
--- a/docs/convertor.md
+++ b/docs/convertor.md
@@ -34,6 +34,8 @@ import (
 - [ToString](#ToString)
 - [StructToMap](#StructToMap)
 - [MapToSlice](#MapToSlice)
+- [EncodeByte](#EncodeByte)
+- [DecodeByte](#DecodeByte)

 <div STYLE="page-break-after: always;"></div>

@@ -457,4 +459,59 @@ func main() {

    fmt.Println(result) //[]string{"a:1", "b:2", "c:3"}
 }
+```
+
+
+### <span id="EncodeByte">EncodeByte</span>
+
+<p>Encode data to byte slice.</p>
+
+<b>Signature:</b>
+
+```go
+func EncodeByte(data any) ([]byte, error)
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/convertor"
+)
+
+func main() {
+    byteData, _ := convertor.EncodeByte("abc")
+    fmt.Println(byteData) //[]byte{6, 12, 0, 3, 97, 98, 99}
+}
+```
+
+
+
+### <span id="DecodeByte">DecodeByte</span>
+
+<p>Decode byte data to target object. target should be a pointer instance.</p>
+
+<b>Signature:</b>
+
+```go
+func DecodeByte(data []byte, target any) error
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/convertor"
+)
+
+func main() {
+    var result string
+	byteData := []byte{6, 12, 0, 3, 97, 98, 99}
+	convertor.DecodeByte(byteData, &result)
+    fmt.Println(result) //"abc"
+}
 ```
--- a/docs/convertor_zh-CN.md
+++ b/docs/convertor_zh-CN.md
@@ -36,6 +36,8 @@ import (
 - [ToString](#ToString)
 - [StructToMap](#StructToMap)
 - [MapToSlice](#MapToSlice)
+- [EncodeByte](#EncodeByte)
+- [DecodeByte](#DecodeByte)

 <div STYLE="page-break-after: always;"></div>

@@ -489,3 +491,59 @@ func main() {
    fmt.Println(result) //[]string{"a:1", "b:2", "c:3"}
 }
 ```
+
+
+
+### <span id="EncodeByte">EncodeByte</span>
+
+<p>将data编码成字节切片</p>
+
+<b>函数签名:</b>
+
+```go
+func EncodeByte(data any) ([]byte, error)
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/convertor"
+)
+
+func main() {
+    byteData, _ := convertor.EncodeByte("abc")
+    fmt.Println(byteData) //[]byte{6, 12, 0, 3, 97, 98, 99}
+}
+```
+
+
+
+### <span id="DecodeByte">DecodeByte</span>
+
+<p>解码字节切片到目标对象，目标对象需要传入一个指针实例子</p>
+
+<b>函数签名:</b>
+
+```go
+func DecodeByte(data []byte, target any) error
+```
+<b>例子:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/convertor"
+)
+
+func main() {
+    var result string
+	byteData := []byte{6, 12, 0, 3, 97, 98, 99}
+	convertor.DecodeByte(byteData, &result)
+    fmt.Println(result) //"abc"
+}
+```
--- a/docs/datastructure/hashmap.md
+++ b/docs/datastructure/hashmap.md
@@ -20,6 +20,7 @@ import (

 <div STYLE="page-break-after: always;"></div>

+
 ## Index

 - [NewHashMap](#NewHashMap)
@@ -106,8 +107,8 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	val := hm.Get("a")
+    hm := heap.NewHashMap()
+    val := hm.Get("a")

    fmt.Println(val) //nil
 }
@@ -134,10 +135,10 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)

-	val := hm.Get("a")
+    val := hm.Get("a")
    fmt.Println(val) //1
 }
 ```
@@ -165,13 +166,13 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
-	val := hm.Get("a")
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)
+    val := hm.Get("a")
    fmt.Println(val) //1

-	hm.Delete("a")
-	val = hm.Get("a")
+    hm.Delete("a")
+    val = hm.Get("a")
    fmt.Println(val) //nil
 }
 ```
@@ -199,8 +200,8 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)

    fmt.Println(hm.Contains("a")) //true
    fmt.Println(hm.Contains("b")) //false
--- a/docs/datastructure/hashmap_zh-CN.md
+++ b/docs/datastructure/hashmap_zh-CN.md
@@ -22,17 +22,13 @@ import (

 ## 目录

- [HashMap](#hashmap)
-  - [源码](#源码)
-  - [用法](#用法)
-  - [目录](#目录)
-  - [API 文档](#api-文档)
-    - [<span id="NewHashMap">NewHashMap</span>](#newhashmap)
-    - [<span id="NewHashMapWithCapacity">NewHashMapWithCapacity</span>](#newhashmapwithcapacity)
-    - [<span id="Get">Get</span>](#get)
-    - [<span id="Put">Put</span>](#put)
-    - [<span id="Delete">Delete</span>](#delete)
-    - [<span id="Contains">Contains</span>](#contains)
+- [NewHashMap](#NewHashMap)
+- [NewHashMapWithCapacity](#NewHashMapWithCapacity)
+
+- [Get](#Get)
+- [Put](#Put)
+- [Delete](#Delete)
+- [Contains](#Contains)

 <div STYLE="page-break-after: always;"></div>

@@ -111,8 +107,8 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	val := hm.Get("a")
+    hm := heap.NewHashMap()
+    val := hm.Get("a")

    fmt.Println(val) //nil
 }
@@ -139,10 +135,10 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)

-	val := hm.Get("a")
+    val := hm.Get("a")
    fmt.Println(val) //1
 }
 ```
@@ -168,13 +164,13 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
-	val := hm.Get("a")
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)
+    val := hm.Get("a")
    fmt.Println(val) //1

-	hm.Delete("a")
-	val = hm.Get("a")
+    hm.Delete("a")
+    val = hm.Get("a")
    fmt.Println(val) //nil
 }
 ```
@@ -200,8 +196,8 @@ import (
 )

 func main() {
-	hm := heap.NewHashMap()
-	hm.Put("a", 1)
+    hm := heap.NewHashMap()
+    hm.Put("a", 1)

    fmt.Println(hm.Contains("a")) //true
    fmt.Println(hm.Contains("b")) //false
--- a/docs/validator.md
+++ b/docs/validator.md
@@ -47,6 +47,7 @@ import (
 - [IsStrongPassword](#IsStrongPassword)
 - [IsUrl](#IsUrl)
 - [IsWeakPassword](#IsWeakPassword)
+- [IsZeroValue](#IsZeroValue)
  

 <div STYLE="page-break-after: always;"></div>
@@ -765,7 +766,7 @@ func main() {


 ### <span id="IsWeakPassword">IsWeakPassword</span>
-<p>Check if the string is weak password（only letter or only number or letter + number）
+<p>Checks if the string is weak password（only letter or only number or letter + number）
 .</p>

 <b>Signature:</b>
@@ -792,6 +793,36 @@ func main() {



+### <span id="IsZeroValue">IsZeroValue</span>
+<p>Checks if passed value is a zero value.</p>
+
+<b>Signature:</b>
+
+```go
+func IsZeroValue(value any) bool
+```
+<b>Example:</b>
+
+```go
+import (
+	"fmt"
+	"github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+	fmt.Println(validator.IsZeroValue(nil)) //true
+	fmt.Println(validator.IsZeroValue(0)) //true
+	fmt.Println(validator.IsZeroValue("")) //true
+	fmt.Println(validator.IsZeroValue([]int)) //true
+	fmt.Println(validator.IsZeroValue(interface{})) //true
+
+	fmt.Println(validator.IsZeroValue("0")) //false
+	fmt.Println(validator.IsZeroValue("nil")) //false
+}
+```
+
+
+



--- a/docs/validator_zh-CN.md
+++ b/docs/validator_zh-CN.md
@@ -47,6 +47,7 @@ import (
 - [IsStrongPassword](#IsStrongPassword)
 - [IsUrl](#IsUrl)
 - [IsWeakPassword](#IsWeakPassword)
+- [IsZeroValue](#IsZeroValue)
  

 <div STYLE="page-break-after: always;"></div>
@@ -792,8 +793,31 @@ func main() {



+### <span id="IsZeroValue">IsZeroValue</span>
+<p>判断传入的参数值是否为零值</p>

+<b>函数签名:</b>

+```go
+func IsZeroValue(value any) bool
+```
+<b>例子:</b>

+```go
+import (
+	"fmt"
+	"github.com/duke-git/lancet/v2/validator"
+)

+func main() {
+	fmt.Println(validator.IsZeroValue(nil)) //true
+	fmt.Println(validator.IsZeroValue(0)) //true
+	fmt.Println(validator.IsZeroValue("")) //true
+	fmt.Println(validator.IsZeroValue([]int)) //true
+	fmt.Println(validator.IsZeroValue(interface{})) //true
+	
+	fmt.Println(validator.IsZeroValue("0")) //false
+	fmt.Println(validator.IsZeroValue("nil")) //false
+}
+```

--- a/docs/xerror.md
+++ b/docs/xerror.md
@@ -46,7 +46,7 @@ import (
 )

 func main() {
-    _, err := strconv.Atoi("4o2")
+	_, err := strconv.Atoi("4o2")
 	defer func() {
 		v := recover()
 		fmt.Println(err.Error()) // err.Error() == v.(*strconv.NumError).Error()
--- a/docs/xerror_zh-CN.md
+++ b/docs/xerror_zh-CN.md
@@ -46,7 +46,7 @@ import (
 )

 func main() {
-    _, err := strconv.Atoi("4o2")
+	_, err := strconv.Atoi("4o2")
 	defer func() {
 		v := recover()
 		fmt.Println(err.Error()) // err.Error() == v.(*strconv.NumError).Error()
--- a/validator/validator.go
+++ b/validator/validator.go
@@ -8,6 +8,7 @@ import (
 	"encoding/json"
 	"net"
 	"net/url"
+	"reflect"
 	"regexp"
 	"strconv"
 	"strings"
@@ -253,3 +254,32 @@ func IsWeakPassword(password string) bool {

 	return (num || letter) && !special
 }
+
+// IsZeroValue checks if value is a zero value
+func IsZeroValue(value any) bool {
+	if value == nil {
+		return true
+	}
+
+	rv := reflect.ValueOf(value)
+	if !rv.IsValid() {
+		return true
+	}
+
+	switch rv.Kind() {
+	case reflect.String:
+		return rv.Len() == 0
+	case reflect.Bool:
+		return !rv.Bool()
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return rv.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return rv.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return rv.Float() == 0
+	case reflect.Ptr, reflect.Chan, reflect.Func, reflect.Interface, reflect.Slice, reflect.Map:
+		return rv.IsNil()
+	}
+
+	return reflect.DeepEqual(rv.Interface(), reflect.Zero(rv.Type()).Interface())
+}
--- a/validator/validator_test.go
+++ b/validator/validator_test.go
@@ -1,7 +1,9 @@
 package validator

 import (
+	"fmt"
 	"testing"
+	"time"

 	"github.com/duke-git/lancet/v2/internal"
 )
@@ -279,3 +281,110 @@ func TestIsWeakPassword(t *testing.T) {
 	assert.Equal(true, IsWeakPassword("abcABC123"))
 	assert.Equal(false, IsWeakPassword("abc123@#$"))
 }
+
+func TestIsZeroValue(t *testing.T) {
+	assert := internal.NewAssert(t, "TestIsZeroValue")
+
+	var (
+		zeroPtr   *string
+		zeroSlice []int
+		zeroFunc  func() string
+		zeroMap   map[string]string
+		nilIface  interface{}
+		zeroIface fmt.Formatter
+	)
+	zeroValues := []interface{}{
+		nil,
+		false,
+		0,
+		int8(0),
+		int16(0),
+		int32(0),
+		int64(0),
+		uint(0),
+		uint8(0),
+		uint16(0),
+		uint32(0),
+		uint64(0),
+
+		0.0,
+		float32(0.0),
+		float64(0.0),
+
+		"",
+
+		// func
+		zeroFunc,
+
+		// array / slice
+		[0]int{},
+		zeroSlice,
+
+		// map
+		zeroMap,
+
+		// interface
+		nilIface,
+		zeroIface,
+
+		// pointer
+		zeroPtr,
+
+		// struct
+		time.Time{},
+	}
+
+	for _, value := range zeroValues {
+		assert.Equal(true, IsZeroValue(value))
+	}
+
+	var nonZeroIface fmt.Stringer = time.Now()
+
+	nonZeroValues := []interface{}{
+		// bool
+		true,
+
+		// int
+		1,
+		int8(1),
+		int16(1),
+		int32(1),
+		int64(1),
+		uint8(1),
+		uint16(1),
+		uint32(1),
+		uint64(1),
+
+		// float
+		1.0,
+		float32(1.0),
+		float64(1.0),
+
+		// string
+		"test",
+
+		// func
+		time.Now,
+
+		// array / slice
+		[]int{},
+		[]int{42},
+		[1]int{42},
+
+		// map
+		make(map[string]string, 1),
+
+		// interface
+		nonZeroIface,
+
+		// pointer
+		&nonZeroIface,
+
+		// struct
+		time.Now(),
+	}
+
+	for _, value := range nonZeroValues {
+		assert.Equal(false, IsZeroValue(value))
+	}
+}
Author	SHA1	Message	Date
dudaodong	d67d8fad3a	doc: fix missing word in file condition.md	2022-08-29 14:02:30 +08:00
dudaodong	c5e6d01a31	update readme file: add new package and function	2022-08-29 11:50:37 +08:00
dudaodong	6d6c3f692f	refactor: change TernaryOperator signature	2022-08-29 11:27:51 +08:00
dudaodong	c695837b16	doc: add document for package condition	2022-08-29 11:23:02 +08:00
dudaodong	ef28b52963	fix: fix regex isChineseMobileRegexMatcher not work	2022-08-28 20:58:34 +08:00
dudaodong	18b2b6ff7c	feat: add functons: And, Or, Xor, Nor, Xnor, Nand	2022-08-28 20:57:28 +08:00
dudaodong	6a05a123f4	feat: add Bool function to check if a value is truthy or falsy	2022-08-28 20:38:19 +08:00
dudaodong	f7c33f258d	Merge branch 'main' into v2	2022-08-27 19:25:24 +08:00
dudaodong	04058dd7da	refactor: change common package to condition package	2022-08-27 19:19:34 +08:00
郑一诺她爸	72e1d92fa1	TernaryOperator Reduce if else operations (#56 ) * feat:(slice add AppendIfAbsent function) * feat:(slice add TernaryOperator function) Co-authored-by: george.zheng <george.zheng@ambergroup.io>	2022-08-27 19:12:03 +08:00
dudaodong	063df0f0d1	doc: add docment for IsZeroValue function	2022-08-27 19:04:57 +08:00
dudaodong	fc10689b25	feat: add IsZeroValue function	2022-08-27 18:57:45 +08:00
dudaodong	9239bcfdc3	doc: fmt code example	2022-08-26 16:34:20 +08:00
dudaodong	c984815dea	doc: fmt code example	2022-08-26 16:29:55 +08:00
dudaodong	301cb5db87	doc: add hashmap	2022-08-26 16:26:16 +08:00
dudaodong	cc1bacff74	doc: add document for EncodeByte and DecodeByte	2022-08-26 10:54:51 +08:00
dudaodong	f49f75b371	test: add unit test for EncodeByte and DecodeByte	2022-08-26 10:47:25 +08:00
dudaodong	b30f4a7bab	feat: add DecodeByte	2022-08-26 10:35:54 +08:00
dudaodong	982cb8932b	feat: add EncodeByte	2022-08-26 10:34:42 +08:00
dudaodong	9107eb4b32	fix: fix resize bug in HashMap	2022-08-25 14:04:26 +08:00