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Author SHA1 Message Date
donutloopandGitHub c1b7500bcb List: add cap (#51) 
Cap return cap of the inner data
 2022-07-25 20:50:31 +08:00
donutloopandGitHub 3d7600a9e4 list: add DeleteIf method (#50) 
DeleteIf delete all satisfying f(data[i]), returns count of removed elements
 2022-07-23 18:52:29 +08:00
donutloopandGitHub 0299c454ab list: add sublist method (#49) 
SubList returns a sub list of the original list between the specified fromIndex, inclusive, and toIndex, exclusive.
 2022-07-23 15:00:04 +08:00
donutloopandGitHub ac3baac5c6 list: Add LastIndexOfFunc and IndexOfFunc method (#48) 
* LastIndexOfFunc returns the index of the last occurrence of the value in this list satisfying f(data[i])
* IndexOfFunc returns the first index satisfying f(v)
 2022-07-22 10:04:31 +08:00
donutloopandGitHub a82b5dd206 list: add LastIndexOf (#46) 
Add LastIndexOf method too List and fix doc

LastIndexOf returns the index of the last occurrence of the value in this list.
if not found return -1
 2022-07-21 15:19:18 +08:00
donutloopandGitHub 336e454ce7 maputil: IsDisjoint (#43) 
Verifies map a and map b have no keys in common.

if it returns true then the maps are disjoint otherwise a join in some form available
 2022-07-20 17:26:54 +08:00
donutloopandGitHub ecf325a06c maputil: preallocate len and cap for keys and values slice (#41) 
Length of keys and values is know in advance, use this knowledge to preallocate memory.
Space usage increases by const factor
 2022-07-19 15:04:19 +08:00
donutloopandGitHub 2878d389c8 error: Add unwrap (#24) 
Add a unwrap func helper

* Unwrap if err is nil then it returns a valid value otherwise it panics
 2022-01-22 21:25:31 +08:00
donutloopandGitHub f147f78a41 Slice: sort from v2 branch (#22) 
ref: https://github.com/duke-git/lancet/commit/f1d7154179a4d94472bee9703097d78e6c37e9a7
 2022-01-11 20:13:25 +08:00
donutloopandGitHub f1d7154179 refactor: sort (#21) 
Removed reverse func because it use to much cpu and add test cas for asc sort
 2022-01-11 19:24:36 +08:00
donutloopandGitHub c906d8aea7 Slice: group by and without v2 (#20) 
* Slice: group by and without v2

Migrate from reflection to generic

* update doc
 2022-01-11 18:11:01 +08:00
donutloopandGitHub 24c0d95112 Slice: reverse and shufffle v2 (#19) 
* Slice: reverse and shufffle v2

Migrate from reflection to generic form

Note: after migration, old reverse must be removed

* Suffle test: remove reflection calls

* Reverse test: change name of test
 2022-01-10 19:52:23 +08:00
donutloopandGitHub 7b9a8a55e7 Slice: CountV2 (#18) 
Use generic instead of reflection
 2022-01-09 22:15:03 +08:00
donutloopandGitHub 30d798366b Slice: find v2 (#17) 
* If slice len is zero then return false
* Convert find to generic form.
* If return T is nil then no items matched the predicate func
 2022-01-07 20:19:27 +08:00
donutloopandGitHub 3905c0bde1 Slice: Add count func (#15) 
Returns the count of matched elements
 2022-01-06 20:32:14 +08:00
donutloopandGitHub 4aef9d6d22 Slice: Add none func (#13) 
Returns true whether no elements of this slice match the provided predicate
func. Negated form of Every func
 2022-01-05 19:38:14 +08:00
donutloopandGitHub bc39b0887b Filter: remove second loop and indexes slice (#12) 
Use less memory and cpu resources to filter out elements from the slice.
 2022-01-03 20:10:15 +08:00
donutloopandGitHub f15131f032 Slice: find nothing case (#11) 
The current behavior can result into wired edge cases.

**Current behavior**

if find was unsuccessfully then it will return the first element of the
slice

**Desired behavior**

if find was unsuccessfully then it should return negative ok and a none
value
 2022-01-02 22:05:27 +08:00
donutloopandGitHub b4a49fccfd Slice: Add GroupBy func (#10) 
Group by: split slice into two groups, applies on each slice element a
predicate func to categorize this element.

Changes

* Add groub by func
* Add test case for this func
 2022-01-02 21:24:56 +08:00
donutloopandGitHub 147c1625b5 Slice: Optimize slice func tools (#9) 
IntSlice and StringSlice: preallocate memory up front for output slice.
Instead returning a error throw a panic because most likely it's a
programming error.
Contain: rename slice to iterableType and add default case for type
mismatches
 2021-12-31 10:15:38 +08:00
donutloopandGitHub 613785b07c function: catch earlier programming error (#8) 
Place at first line of the function body a function type safe guard
check.
 2021-12-30 20:22:00 +08:00
donutloopandGitHub 0b0eb695e8 datetime: optimized func calls (#7) 
Replace time parsing calls with less expensive operations
 2021-12-30 10:29:10 +08:00
donutloopandGitHub b106c428ae Every: use int counter (#6) 
Use counter to verify all elements passed the perdicate func.
Replace slice of indexes with int counter.
 2021-12-29 09:51:50 +08:00
donutloopandGitHub ab012f2545 LowerFirst: use slicing and utf8 func tools (#5) 
Replace looping with slicing and utf8 func tools operations.
 2021-12-28 19:25:44 +08:00
donutloopandGitHub 3919160e38 Optimized: Capitalize (#4) 
* Use unicode.ToUpper func to convert first letter in string to upper case
letter.

* Preallocate memory with correct length and cap because the final
  string is not changing.
 2021-12-28 10:04:15 +08:00
donutloopandGitHub 9ad9d1805b Regex validators: Precompile all known regex patterns (#3) 
Reduce executions time of pattern matching, regex patterns are expensive to
compile at runtime.
 2021-12-26 21:16:20 +08:00
Marcel Edmund Franke 578b1bba65 Some: allocate slice to keep track unused indexes is not necessary 
Waste of memory for those unused indexes. It got replaced by a simple
boolean to keep track of it.
 2021-12-25 13:04:03 +01:00