slicex

func AppendFirst ¶

func AppendFirst[S ~[]E, E any](s S, e E) S

func AppendIfNotContains ¶

func AppendIfNotContains[S ~[]E, E comparable](s S, v E) S

func AppendUnique ¶

func AppendUnique[S ~[]E, E comparable](s S, v E) S

AppendUnique appends an element to a slice, if the element is not already in the slice

func Chunk ¶

func Chunk[S ~[]E, E any](s S, size int) []S

func Concat ¶

func Concat[S ~[]E, E any](ss ...S) S

func ContainsAny ¶

func ContainsAny[E comparable](s []E, vs ...E) bool

ContainsAny checks if any of the elem are in the given slice.

func Difference ¶

func Difference[S ~[]E, E comparable](s1 S, s2 S) S

Difference 返回差集 Deprecated: Do not use.

func Filter ¶

func Filter[S ~[]E, E any](s S, f func(int, E) bool) S

func FindFunc ¶

func FindFunc[E any](s []E, f func(E) bool) (E, bool)

func GroupBy ¶

func GroupBy[M ~map[K]S, S ~[]E, E any, K comparable](s S, f func(int, E) K) M

GroupBy 函数将输入切片中的元素按照指定函数分组，并返回一个Map，其中键是分组的依据，值是对应元素的列表。

func IndexOrDefault ¶

func IndexOrDefault[S ~[]E, E any](s S, index int, d E) E

func Indexes ¶

func Indexes[E comparable](s []E, v E) []int

func IndexesFunc ¶

func IndexesFunc[E any](s []E, f func(E) bool) []int

func Insert ¶

func Insert[S ~[]E, E any](s S, i int, e E) S

Insert 在切片的指定位置插入元素

func IsEmpty ¶

func IsEmpty[S ~[]E, E any](s S) bool

IsEmpty Checks if an slice is nil or length equals 0

func IsNotEmpty ¶

func IsNotEmpty[S ~[]E, E any](s S) bool

func IsSameLength ¶

func IsSameLength[S ~[]E, E any](s1 S, s2 S) bool

func LastIndex ¶

func LastIndex[E comparable](s []E, v E) int

func Map ¶

func Map[S1 ~[]E1, S2 ~[]E2, E1 any, E2 any](s S1, f func(int, E1) E2) S2

Map 方法创建一个新数组，这个新数组由原数组中的每个元素都调用一次提供的函数后的返回值组成。

func MapElem ¶

func MapElem[S1 ~[]E1, S2 ~[]E2, E1 comparable, E2 any](v E1, s1 S1, s2 S2) E2

MapElem 两个切片s1，s2,，获取v所有s1同位置的s2的值

func Merge ¶

func Merge[S ~[]E, E any](ss ...S) S

func NotContains ¶

func NotContains[E comparable](s []E, v E) bool

NotContains reports whether v is not present in s.

func NotContainsFunc ¶

func NotContainsFunc[E any](s []E, f func(E) bool) bool

NotContainsFunc reports whether v is not present in s.

func PadEnd ¶

func PadEnd[S ~[]E, E any](s S, size int, val E) S

PadEnd 如果slice长度小于 length 则在右侧填充val。

func PadStart ¶

func PadStart[S ~[]E, E any](s S, size int, val E) S

PadStart 如果slice长度小于 length 则在左侧填充val。

func Prepend ¶

func Prepend[S ~[]E, E any](s S, elems ...E) S

func Reduce ¶

func Reduce[S ~[]E, E any, R any](s S, initValue R, f func(previousValue R, currentValue E, currentIndex int, s S) R) R

func Remove ¶

func Remove[S ~[]E, E comparable](s S, vs ...E) S

func RemoveAt ¶

func RemoveAt[S ~[]E, E any](array S, is ...int) S

func RemoveFunc ¶

func RemoveFunc[S ~[]E, E any](s S, f func(i int, v E) bool) S

func Reverse ¶

func Reverse[S ~[]E, E any](s S) S

Reverse reverses the elements of the slice in place.

func SafeSlice ¶

func SafeSlice[S ~[]E, E comparable](s S, start, length int) S

func SetAll ¶

func SetAll[S ~[]E, E any](s S, f func(int) E) S

func Shift ¶

func Shift[S ~[]E, E any](array S, offset int)

func Shifta ¶

func Shifta[S ~[]E, E any](array S, startIndexInclusive, endIndexExclusive, offset int)

func Shuffle ¶

func Shuffle[S ~[]E, E any](s S) S

Shuffle 打乱数组顺序

func Sum ¶

func Sum[S ~[]E, E constraintx.Numeric](s S) E

Sum 数组求和

func Swap ¶

func Swap[S ~[]E, E any](array S, offset1, offset2, length int)

Swap swaps a series of elements in the given array. array the array to swap. offset1 the index of the first element in the series to swap. offset2 the index of the second element in the series to swap. length the number of elements to swap starting with the given indices.

func ToMap ¶

func ToMap[S ~[]E, M ~map[K]E, E any, K comparable](s S, f func(int, E) K) M

ToMap 方法创建一个Map，这个Map由原数组中的每个元素都调用一次提供的函数后的返回值作为Key、每个元素作为Value组成。

func ToSet ¶

func ToSet[S ~[]E, M ~map[E]struct{}, E comparable](s S) M

func Uniq ¶

func Uniq[S ~[]E, E comparable](s S) S

Uniq 用于去除切片中的重复元素并返回新切片。对于短切片，它通过逐个检查元素去重；对于长切片，使用Map提高效率。