asker

type Answer struct {
	StringResponse string
	BoolResponse   bool
	Provided       bool
}

type Asker interface {
	Ask(reader io.Reader) (*Answer, error)
}

type ChoiceAsker struct {
	Choices  []string
	Question string
}

type ConfirmAsker struct {
	Question string
	Default  bool
}

type TextAsker struct {
	Question  string
	Prefix    string
	Required  bool
	Validator func(response string) error
}