choice

Documentation

Index

• Variables
• func Choose[E any](choices []E) (choice bool, res E, err error)
• func ChooseWithDefault[E any](choices []E, def int) (choice bool, res E, err error)
• func Menu[E any](choices []E, showQuit bool) string
• type Description

Variables

var ErrBadChoice = errors.New("bad choice")

ErrBadChoice defines an error that represents an invalid choice made by the user.

Functions

func Choose

func Choose[E any](choices []E) (choice bool, res E, err error)

Choose function allows the user to make a choice from the given options with no default value.

func ChooseWithDefault

func ChooseWithDefault[E any](choices []E, def int) (choice bool, res E, err error)

ChooseWithDefault function allows the user to make a choice from the given options with an optional default value.

func Menu

func Menu[E any](choices []E, showQuit bool) string

Menu function is used to generate a string representation of the menu, associating choices with numbers.

Types

type Description

type Description interface {
	Description() string
}

Description interface defines a method for obtaining the description of a choice.