los

Documentation

Index

• func Arrange[T any, O constraints.Ordered](elems []T, getKey func(T) O) []T
• func EveryNil(elems ...any) bool
• func IndexOf[T comparable](slice, sub []T) int
• func LastIndexOf[T comparable](slice, sub []T) int
• func Must[T any](val T, err error, messageArgs ...any) T
• func Must0(err error, messageArgs ...any)
• func Must1[T any](val T, err error, messageArgs ...any) T
• func Must2[T1, T2 any](val1 T1, val2 T2, err error, messageArgs ...any) (T1, T2)
• func Must3[T1, T2, T3 any](val1 T1, val2 T2, val3 T3, err error, messageArgs ...any) (T1, T2, T3)
• func Must4[T1, T2, T3, T4 any](val1 T1, val2 T2, val3 T3, val4 T4, err error, messageArgs ...any) (T1, T2, T3, T4)
• func Must5[T1, T2, T3, T4, T5 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5, err error, messageArgs ...any) (T1, T2, T3, T4, T5)
• func Must6[T1, T2, T3, T4, T5, T6 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5, val6 T6, err error, ...) (T1, T2, T3, T4, T5, T6)
• func Pull[V comparable](collection []V, elements ...V) []V
• func PullAt[V any](collection []V, indices ...int) []V
• func Remove[V comparable](collection []V, predicate func(V, int) bool) []V
• func SampleBool() bool
• func SomeNil(elems ...any) bool
• func Split[T comparable](collection []T, isSeparator func(T, int) bool) [][]T
• func SplitStr(str string, separators ...rune) []string
• type Sunday
  • func NewSunday[C comparable](sub []C) *Sunday[C]
  • func (p Sunday[C]) IndexOf(slice []C) int

Examples

• Arrange
• EveryNil
• IndexOf
• LastIndexOf
• Pull
• PullAt
• Remove
• SampleBool
• SomeNil
• Split
• SplitStr
• Sunday.IndexOf

Functions

func Arrange

func Arrange[T any, O constraints.Ordered](elems []T, getKey func(T) O) []T

Arrange 整理成员执行顺序，key相等的避免同时执行.

Example

ExampleArrange is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.Arrange(
		[]int{1, 1, 2, 2, 2, 3},
		func(num int) int { return num }),
	)

}

Output:

[2 1 3 2 1 2]

func EveryNil

func EveryNil(elems ...any) bool

Example

ExampleEveryNil is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.EveryNil(nil, nil))
	fmt.Println(los.EveryNil(nil, 1))

}

Output:

true
false

func IndexOf

func IndexOf[T comparable](slice, sub []T) int

Example

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	slice := []int{1, 2, 1, 2}

	fmt.Println(los.IndexOf(slice, []int{2, 1}))
	fmt.Println(los.IndexOf(slice, []int{1, 2, 1}))
	fmt.Println(los.IndexOf(slice, []int{2, 1, 1}))
	fmt.Println(los.IndexOf(slice, []int{1, 2, 1, 2, 1}))
	fmt.Println(los.IndexOf(slice, []int{1, 2}))

}

Output:

1
0
-1
-1
0

func LastIndexOf

func LastIndexOf[T comparable](slice, sub []T) int

Example

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	slice := []int{1, 2, 1, 2}

	fmt.Println(los.LastIndexOf(slice, []int{2, 1}))
	fmt.Println(los.LastIndexOf(slice, []int{1, 2, 1}))
	fmt.Println(los.LastIndexOf(slice, []int{2, 1, 1}))
	fmt.Println(los.LastIndexOf(slice, []int{1, 2, 1, 2, 1}))
	fmt.Println(los.LastIndexOf(slice, []int{1, 2}))

}

Output:

1
0
-1
-1
2

func Must

func Must[T any](val T, err error, messageArgs ...any) T

func Must0

func Must0(err error, messageArgs ...any)

func Must1

func Must1[T any](val T, err error, messageArgs ...any) T

func Must2

func Must2[T1, T2 any](val1 T1, val2 T2, err error, messageArgs ...any) (T1, T2)

func Must3

func Must3[T1, T2, T3 any](val1 T1, val2 T2, val3 T3, err error, messageArgs ...any) (T1, T2, T3)

func Must4

func Must4[T1, T2, T3, T4 any](val1 T1, val2 T2, val3 T3, val4 T4, err error, messageArgs ...any) (T1, T2, T3, T4)

func Must5

func Must5[T1, T2, T3, T4, T5 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5,
	err error, messageArgs ...any,
) (T1, T2, T3, T4, T5)

func Must6

func Must6[T1, T2, T3, T4, T5, T6 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5, val6 T6,
	err error, messageArgs ...any,
) (T1, T2, T3, T4, T5, T6)

func Pull

func Pull[V comparable](collection []V, elements ...V) []V

Pull 删除切片指定成员.

Example

ExamplePull is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.Pull([]int{1, 2, 2, 3}, 0, 2))

}

Output:

[1 3]

func PullAt

func PullAt[V any](collection []V, indices ...int) []V

PullAt 删除切片指定位置.

Example

ExamplePullAt is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.PullAt([]rune{'1', '2', '2', '3'}, 2, 3))

}

Output:

[49 50]

func Remove

func Remove[V comparable](collection []V, predicate func(V, int) bool) []V

Remove 根据断言删除.

Example

ExampleRemove is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.Remove([]int{1, 2, 2, 3, 4}, func(item, _ int) bool { return item%2 == 0 }))

}

Output:

[1 3]

func SampleBool

func SampleBool() bool

Example

package main

import (
	"fmt"
	"math/rand"

	"github.com/xuender/kit/los"
)

func main() {
	rand.Seed(3)
	fmt.Println(los.SampleBool())
	fmt.Println(los.SampleBool())

}

Output:

false
true

func SomeNil

func SomeNil(elems ...any) bool

Example

ExampleSomeNil is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.SomeNil(nil, 1))
	fmt.Println(los.SomeNil(1, 2))

}

Output:

true
false

func Split

func Split[T comparable](collection []T, isSeparator func(T, int) bool) [][]T

Split 切片分解.

Example

ExampleSplit is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.Split(
		[]int{1, 0, 2, 3, 0, 4, 0, 5},
		func(num, _ int) bool { return num == 0 },
	))

}

Output:

[[1] [2 3] [4] [5]]

func SplitStr

func SplitStr(str string, separators ...rune) []string

SplitStr 字符串根据分隔符分解.

Example

ExampleSplitStr is an example function.

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	fmt.Println(los.SplitStr("123,456", ','))
	fmt.Println(los.SplitStr("a-b_c", '-', '_'))

}

Output:

[123 456]
[a b c]

Types

type Sunday

type Sunday[C comparable] struct {
	// contains filtered or unexported fields
}

Sunday 算法数组查找.

func NewSunday

func NewSunday[C comparable](sub []C) *Sunday[C]

NewSunday 新建 Sunday 算法.

func (Sunday[C]) IndexOf

func (p Sunday[C]) IndexOf(slice []C) int

IndexOf 查找位置.

Example

package main

import (
	"fmt"

	"github.com/xuender/kit/los"
)

func main() {
	sub := []rune("abcab")
	sunday := los.NewSunday(sub)
	fmt.Println(sunday.IndexOf([]rune("abcaabcab")))

}

Output:

4