ExtensionDuration extension

on

• Duration

Methods

delayed<T>([FutureOr<T> callback()?]) → Future<T>

final _delay = 3.seconds; print('+ wait $_delay'); await _delay.delayed(); print('- finish wait $_delay'); print('+ callback in 700ms');

timer([Function? function]) → Timer

Timer

timerPeriodic(void callback(Timer timer)) → Timer

需要手动释放timer

toEndHoursString() → String

以时结尾

toEndMillisecondsString() → String

以毫秒结尾

toEndMinutesString() → String

以分结尾

toEndSecondsString() → String

以秒结尾