17 lines
322 B
Dart
17 lines
322 B
Dart
class WidgetStack<E> {
|
|
final _list = <E>[];
|
|
|
|
void push(E value) => _list.add(value);
|
|
|
|
E pop() => _list.removeLast();
|
|
|
|
E get peek => _list.last;
|
|
|
|
bool get isEmpty => _list.isEmpty;
|
|
bool get isNotEmpty => _list.isNotEmpty;
|
|
|
|
void clear() => _list.clear();
|
|
|
|
@override
|
|
String toString() => _list.toString();
|
|
} |