util

Documentation

Index

• func Flag[T flag.Value](name string, value T, usage string) T
• func Last[T any](s ...[]T) (v T, ok bool)
• func Match[T any](v T) func(T) bool
• func StringsFlag(name string, value []string, usage string) *[]string

Functions

func Flag

func Flag[T flag.Value](name string, value T, usage string) T

func Last

func Last[T any](s ...[]T) (v T, ok bool)

Last returns the last element from the provided slices. In other words, if it is passed two slices and the second is empty, it will return the last item of the first. ok is only false if all of the provided slices are empty or no slices were provided.

func Match

func Match[T any](v T) func(T) bool

Match returns a function that returns true if passed v. T must be a comparable type or the returned function will panic. T may be an interface type.

func StringsFlag

func StringsFlag(name string, value []string, usage string) *[]string