Method FlagErrorFunc

command.go:547–558

FlagErrorFunc returns either the function set by SetFlagErrorFunc for this command or a parent, or it returns a function which returns the original error.

()

// command or a parent, or it returns a function which returns the original
// error.
func (c *Command) FlagErrorFunc() (f func(*Command, error) error) {
	if c.flagErrorFunc != nil {
		return c.flagErrorFunc
	}

	if c.HasParent() {
		return c.parent.FlagErrorFunc()
	}
	return func(c *Command, err error) error {
		return err
	}
}

const minUsagePadding = 25