Ю
Size: a a a
Ю
Ю
NK
Ю
NK
Ю
NK
RE
void main() {
final lst = [
DateTime.now(),
DateTime.now().add(Duration(days: 2)),
DateTime.now().add(Duration(days: 1))
];
lst.sort();
print(lst); // [2021-03-21 15:39:07.044, 2021-03-22 15:39:07.044, 2021-03-23 15:39:07.044]
}
N
void main() {
final lst = [
DateTime.now(),
DateTime.now().add(Duration(days: 2)),
DateTime.now().add(Duration(days: 1))
];
lst.sort();
print(lst); // [2021-03-21 15:39:07.044, 2021-03-22 15:39:07.044, 2021-03-23 15:39:07.044]
}
NN
RE
void main() async {
final news1 = News();
await Future.delayed(Duration(seconds:1));
final news2 = News();
await Future.delayed(Duration(seconds:1));
final news3 = News();
final newss = [news1, news3, news2];
newss.sort((a, b) => a.dateTime.compareTo(b.dateTime));
print(newss); // [2021-03-21 15:47:52.193, 2021-03-21 15:47:53.196, 2021-03-21 15:47:54.20
}
class News {
final dateTime = DateTime.now();
@override
String toString() => '${dateTime.toString()}';
}
B
SH
SH
RE
SH
RE