formatter function

String formatter(
  1. Duration duration
)

Implementation

String formatter(Duration duration) => <String>[
      duration.inMinutes.remainder(60).toString().padLeft(2, '0'),
      duration.inSeconds.remainder(60).toString().padLeft(2, '0'),
      duration.inMilliseconds.remainder(1000).toString().padLeft(2, '0'),
    ].join(':');