mirror of
https://github.com/dart-lang/sdk
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1951879d70
Change-Id: Iec6318773d2d8d33832951a61b2d4df54027662d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151048 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
75 lines
3.2 KiB
Dart
75 lines
3.2 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:collection';
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class ConstIterable extends IterableBase<int> {
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const ConstIterable();
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Iterator<int> get iterator => <int>[].iterator;
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}
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class ConstMap implements Map<int, String> {
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const ConstMap();
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Iterable<MapEntry<int, String>> get entries => const [];
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bool get isEmpty => throw UnsupportedError("unsupported");
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bool get isNotEmpty => throw UnsupportedError("unsupported");
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Iterable<int> get keys => throw UnsupportedError("unsupported");
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int get length => throw UnsupportedError("unsupported");
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Iterable<String> get values => throw UnsupportedError("unsupported");
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String? operator [](Object? key) => throw UnsupportedError("unsupported");
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operator []=(int key, String value) => throw UnsupportedError("unsupported");
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bool add(Object? value) => throw UnsupportedError("unsupported");
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void addAll(Map<int, String> map) => throw UnsupportedError("unsupported");
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void addEntries(Iterable<MapEntry<int, String>> entries) =>
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throw UnsupportedError("unsupported");
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Map<RK, RV> cast<RK, RV>() => throw UnsupportedError("unsupported");
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void clear() => throw UnsupportedError("unsupported");
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bool containsKey(Object? key) => throw UnsupportedError("unsupported");
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bool containsValue(Object? value) => throw UnsupportedError("unsupported");
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void forEach(void Function(int key, String value) f) =>
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throw UnsupportedError("unsupported");
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Map<K2, V2> map<K2, V2>(MapEntry<K2, V2> Function(int key, String value) f) =>
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throw UnsupportedError("unsupported");
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String putIfAbsent(int key, String Function() ifAbsent) =>
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throw UnsupportedError("unsupported");
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String? remove(Object? key) => throw UnsupportedError("unsupported");
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void removeWhere(bool Function(int key, String value) predicate) =>
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throw UnsupportedError("unsupported");
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String update(int key, String Function(String value) update,
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{String Function()? ifAbsent}) =>
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throw UnsupportedError("unsupported");
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void updateAll(String Function(int key, String value) update) =>
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throw UnsupportedError("unsupported");
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}
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class CustomMap with MapMixin<int, String> {
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Iterable<int> get keys => [];
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String? operator [](Object? key) => "";
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operator []=(int key, String value) {}
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String? remove(Object? key) => throw UnsupportedError("unsupported");
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void clear() => throw UnsupportedError("unsupported");
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}
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class CustomSet extends SetBase<int> {
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bool add(int value) => throw UnsupportedError("unsupported");
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bool contains(Object? value) => throw UnsupportedError("unsupported");
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Iterator<int> get iterator => <int>[].iterator;
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int get length => 0;
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int? lookup(Object? value) => throw UnsupportedError("unsupported");
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bool remove(Object? value) => throw UnsupportedError("unsupported");
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Set<int> toSet() => this;
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}
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class Equality {
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final int id;
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final String name;
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const Equality(this.id, this.name);
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int get hashCode => id;
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bool operator ==(Object? other) => other is Equality && id == other.id;
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String toString() => "$id:$name";
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}
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