import 'dart:async';


/**
*
* Learning Dart Language
*
* Basic Example async/await
*
* @author bwnyasse
*
*/

void createOrderMessage () async {
  print("En attente de votre demande ...");
  var order = await getUserOrder();
  print('Votre demande est : $order');
}

Future<String> getUserOrder() {
  // Imagine that this function is more complex and slow.
  return Future.delayed(Duration(seconds: 4), () => 'Une formation Dart & Flutter ');
}

main() async {
  countSeconds(4);
  await createOrderMessage();
}

// You can ignore this function - it's here to visualize delay time in this example.
void countSeconds(s) {
  for( var i = 1 ; i <= s; i++ ) {
      Future.delayed(Duration(seconds: i), () => print(i));
   }
}