slices

func All ¶

func All[T any](arr []T, fn func(T) bool) bool

All checks if all items satisfy the condition function

func Any ¶

func Any[T any](arr []T, fn func(T) bool) bool

Any checks if any item satisfy the condition function

func Contains ¶

func Contains[T comparable](arr []T, pivot T) bool

Contains test if target array contains pivot If T is a pointer, T needs to implement Equal(T) function, otherwise the pointer address If T is not a pointer, T could be either

func Count ¶

func Count[T any](arr []T, fn func(T) bool) int

Count checks how many items satisfy the condition function

func Filter ¶

func Filter[T any](arr []T, fn func(T) bool) []T

Filter functional filter for array items

func Find ¶

func Find[T any](arr []T, fn func(T) bool) *T

Find search the first item with function

func FindInt ¶

func FindInt(slice []int, target int) bool

FindInt return true if target in slice, return false if not.

func FindString ¶

func FindString(slice []string, target string) bool

FindString return true if target in slice, return false if not.

func FindUint ¶

func FindUint(slice []uint, target uint) bool

FindUint return true if target in slice, return false if not.

func Flatten ¶

func Flatten[T any](arr [][]T) []T

Flatten the given arr

func GroupBy ¶

func GroupBy[T any, V comparable](arr []T, fn func(T) V) map[V][]T

GroupBy group by array items with given projection function

func HasString ¶

func HasString(slice []string, str string) bool

func Index ¶

func Index[T any](arr []T, fn func(T) bool) int

Index search the index of array item with function

func IterToArray ¶

func IterToArray[U any, V any, T Iterable[U, V]](iter T) []V

IterToArray convert iterable to list. Next() should be called to get the first item

func Map ¶

func Map[T any, V any](arr []T, fn func(T) V) []V

Map functional conversion for array items

func Reduce ¶

func Reduce[T any, V any](arr []T, reduce func(V, T) V, v V) V

Reduce array

func RemoveString ¶

func RemoveString(slice []string, remove func(item string) bool) []string

RemoveString remove string from slice if function return true.

func Sort ¶

func Sort[T any](arr []T, cmp func(T, T) bool)

Sort given array