Usage of delayed() method with Future; Duration() in dart.

future.delayed.dart

//use of async, await, futures in dart
import 'dart:async';

void main() async {
  
  var data = await get('hi');
  print(data);
}


Future<String> get(String url) {
  return Future.delayed(const Duration(seconds: 3), () {
    return 'Hello user!';
  });
}