slices

func AppendOrReplace ¶

func AppendOrReplace[T any](slice []T, value T, fn func(T) bool) []T

AppendOrReplace appends a value to a slice if the slice does not contain a value for which the given function returns true. If the slice does contain such a value, it is replaced.

func Filter ¶

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

func Find ¶ added in v0.184.2

func Find[T any](slice []T, fn func(T) bool) (T, bool)

func FlatMap ¶

func FlatMap[T, U any](slice []T, fn func(T) []U) []U

func GroupBy ¶

func GroupBy[T any, K comparable](slice []T, fn func(T) K) map[K][]T

GroupBy groups the elements of a slice by the result of a function.

func Map ¶

func Map[T, U any](slice []T, fn func(T) U) []U

func MapErr ¶

func MapErr[T, U any](slice []T, fn func(T) (U, error)) ([]U, error)

func Reduce ¶

func Reduce[T, U any](slice []T, initial U, fn func(U, T) U) U