Method Error

errors.go:28–48

Error implements error.

()

// Error implements error.
func (e *NotExistError) Error() string {
	switch e.messageType {
	case flagNotExistMessage:
		return fmt.Sprintf("flag %q does not exist", e.name)

	case flagNotDefinedMessage:
		return fmt.Sprintf("flag accessed but not defined: %s", e.name)

	case flagNoSuchFlagMessage:
		return fmt.Sprintf("no such flag -%v", e.name)

	case flagUnknownFlagMessage:
		return fmt.Sprintf("unknown flag: --%s", e.name)

	case flagUnknownShorthandFlagMessage:
		c := rune(e.name[0])
		return fmt.Sprintf("unknown shorthand flag: %q in -%s", c, e.specifiedShorthands)
	}

	panic(fmt.Errorf("unknown flagNotExistErrorMessageType: %v", e.messageType))
}

// GetSpecifiedName returns the name of the flag (without dashes) as it
// appeared in the parsed arguments.