SL
https://prnt.sc/134a8xu
Size: a a a
SL
Ю
SL
AP
DK
void main(){
handle();
}
handle()async {
await for(var e in countStream(9)){
await callback(e);
}
}
Future callback(int sec)async{
await Future.delayed(Duration(seconds: sec));
print(sec);
}
Stream<int> countStream(int from) async* {
for (int i = from; i >0; i-- ){
yield i;
}
}
Ю
KB
EA
DY
SL
DY
DK
EA
KB
MI
MI
MI
ДЩ
EA