14 lines
245 B
Dart
14 lines
245 B
Dart
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class Stack<T> {
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final List<T> _data = <T>[];
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void push(T entry) => _data.add(entry);
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T pop() => _data.removeLast();
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T? get peek => _data.lastOrNull;
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List<T> get entries => List.from(_data);
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bool get isEmpty => _data.isEmpty;
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}
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