nweiz@google.com
6cabc53f79
Review URL: https://chromiumcodereview.appspot.com//9956076 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@6117 260f80e4-7a28-3924-810f-c04153c831b5
55 lines
1.3 KiB
Plaintext
55 lines
1.3 KiB
Plaintext
// Copyright (c) 2012, 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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class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
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// TODO(nweiz): update this when maps support lazy iteration
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bool containsValue(String value) => getValues().some((e) => e == value);
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bool containsKey(String key) => $dom_getItem(key) != null;
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String operator [](String key) => $dom_getItem(key);
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void operator []=(String key, String value) => $dom_setItem(key, value);
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String putIfAbsent(String key, String ifAbsent()) {
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if (!containsKey(key)) this[key] = ifAbsent();
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return this[key];
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}
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String remove(String key) {
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final value = this[key];
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$dom_removeItem(key);
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return value;
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}
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void clear() => $dom_clear();
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void forEach(void f(String key, String value)) {
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for (var i = 0; true; i++) {
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final key = $dom_key(i);
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if (key == null) return;
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f(key, this[key]);
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}
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}
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Collection<String> getKeys() {
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final keys = [];
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forEach((k, v) => keys.add(k));
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return keys;
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}
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Collection<String> getValues() {
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final values = [];
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forEach((k, v) => values.add(v));
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return values;
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}
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int get length() => $dom_length;
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bool isEmpty() => $dom_key(0) == null;
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$!MEMBERS
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}
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