accessibility

func PromptBool ¶

func PromptBool(
	out io.Writer,
	in io.Reader,
	prompt string,
	defaultValue bool,
) bool

PromptBool prompts a user for a boolean value.

Given invalid input (non-boolean), the user will continue to be reprompted until a valid input is given, ensuring that the return value is always valid.

func PromptInt ¶

func PromptInt(
	out io.Writer,
	in io.Reader,
	prompt string,
	low, high int,
	defaultValue *int,
) int

PromptInt prompts a user for an integer between a certain range.

Given invalid input (non-integers, integers outside of the range), the user will continue to be reprompted until a valid input is given, ensuring that the return value is always valid.

func PromptPassword ¶

func PromptPassword(
	out io.Writer,
	in uintptr,
	prompt string,
	validator func(input string) error,
) (string, error)

PromptPassword allows to prompt for a password. In must be the fd of a tty.

func PromptString ¶

func PromptString(
	out io.Writer,
	in io.Reader,
	prompt string,
	defaultValue string,
	validator func(input string) error,
) string

PromptString prompts a user for a string value and validates it against a validator function. It re-prompts the user until a valid input is given.