Function DefaultValues

flagext/register.go:42–56

DefaultValues initiates a set of configs (Registerers) with their defaults.

(rs ...interface{})

// DefaultValues initiates a set of configs (Registerers) with their defaults.
func DefaultValues(rs ...interface{}) {
	fs := flag.NewFlagSet("", flag.PanicOnError)
	logger := log.NewNopLogger()
	for _, v := range rs {
		switch r := v.(type) {
		case Registerer:
			r.RegisterFlags(fs)
		case RegistererWithLogger:
			r.RegisterFlags(fs, logger)
		default:
			panic("RegisterFlagsWithLogger must be passed a Registerer")
		}
	}
	_ = fs.Parse([]string{})
}

// RegisteredFlagsTracker is an interface that allows to extract RegisteredFlags.
type RegisteredFlagsTracker interface {