delay method
Utility to delay some callback (or code execution).
Sample:
void main() async {
final _delay = 3.seconds;
print('+ wait $_delay');
await _delay.delay();
print('- finish wait $_delay');
print('+ callback in 700ms');
await 0.7.seconds.delay(() {
}
Implementation
Future delay([FutureOr Function()? callback]) async =>
Future.delayed(this, callback);