var timeDurationType … var timeTimeType … func makeTimeArshaler(fncs *arshaler, t reflect.Type) *arshaler { … } func checkTimeFormat(format string) (string, bool, error) { … } // parseDec2 parses b as an unsigned, base-10, 2-digit number. // It panics if len(b) < 2. The result is undefined if digits are not base-10. func parseDec2(b []byte) byte { … }