Remove dart backend

test/dart_codegen/expect/collection/maps.dart

-part of dart.collection;
- abstract class MapBase<K, V> = Object with MapMixin<K, V>;
- abstract class MapMixin<K, V> implements Map<K, V> {Iterable<K> get keys;
- V operator [](Object key);
- operator []=(K key, V value);
- V remove(Object key);
- void clear();
- void forEach(void action(K key, V value)) {
-  for (K key in keys) {
-    action(key, this[key]);
-    }
-  }
- void addAll(Map<K, V> other) {
-  for (K key in other.keys) {
-    this[key] = other[key];
-    }
-  }
- bool containsValue(Object value) {
-  for (K key in keys) {
-    if (this[key] == value) return true;
-    }
-   return false;
-  }
- V putIfAbsent(K key, V ifAbsent()) {
-  if (keys.contains(key)) {
-    return this[key];
-    }
-   return this[key] = ifAbsent();
-  }
- bool containsKey(Object key) => keys.contains(key);
- int get length => keys.length;
- bool get isEmpty => keys.isEmpty;
- bool get isNotEmpty => keys.isNotEmpty;
- Iterable<V> get values => new _MapBaseValueIterable<V>(this);
- String toString() => Maps.mapToString(this);
-}
- abstract class UnmodifiableMapBase<K, V> = MapBase<K, V> with _UnmodifiableMapMixin<K, V>;
- class _MapBaseValueIterable<V> extends IterableBase<V> implements EfficientLength {final Map _map;
- _MapBaseValueIterable(this._map);
- int get length => _map.length;
- bool get isEmpty => _map.isEmpty;
- bool get isNotEmpty => _map.isNotEmpty;
- V get first => ((__x7) => DEVC$RT.cast(__x7, dynamic, V, "CompositeCast", """line 122, column 18 of dart:collection/maps.dart: """, __x7 is V, false))(_map[_map.keys.first]);
- V get single => ((__x8) => DEVC$RT.cast(__x8, dynamic, V, "CompositeCast", """line 123, column 19 of dart:collection/maps.dart: """, __x8 is V, false))(_map[_map.keys.single]);
- V get last => ((__x9) => DEVC$RT.cast(__x9, dynamic, V, "CompositeCast", """line 124, column 17 of dart:collection/maps.dart: """, __x9 is V, false))(_map[_map.keys.last]);
- Iterator<V> get iterator => new _MapBaseValueIterator<V>(_map);
-}
- class _MapBaseValueIterator<V> implements Iterator<V> {final Iterator _keys;
- final Map _map;
- V _current = null;
- _MapBaseValueIterator(Map map) : _map = map, _keys = map.keys.iterator;
- bool moveNext() {
-if (_keys.moveNext()) {
-_current = ((__x10) => DEVC$RT.cast(__x10, dynamic, V, "CompositeCast", """line 144, column 18 of dart:collection/maps.dart: """, __x10 is V, false))(_map[_keys.current]);
- return true;
-}
- _current = null;
- return false;
-}
- V get current => _current;
-}
- abstract class _UnmodifiableMapMixin<K, V> implements Map<K, V> {void operator []=(K key, V value) {
-throw new UnsupportedError("Cannot modify unmodifiable map");
-}
- void addAll(Map<K, V> other) {
-throw new UnsupportedError("Cannot modify unmodifiable map");
-}
- void clear() {
-throw new UnsupportedError("Cannot modify unmodifiable map");
-}
- V remove(Object key) {
-throw new UnsupportedError("Cannot modify unmodifiable map");
-}
- V putIfAbsent(K key, V ifAbsent()) {
-throw new UnsupportedError("Cannot modify unmodifiable map");
-}
-}
- class MapView<K, V> implements Map<K, V> {final Map<K, V> _map;
- const MapView(Map<K, V> map) : _map = map;
- V operator [](Object key) => _map[key];
- void operator []=(K key, V value) {
-_map[key] = value;
-}
- void addAll(Map<K, V> other) {
-_map.addAll(other);
-}
- void clear() {
-_map.clear();
-}
- V putIfAbsent(K key, V ifAbsent()) => _map.putIfAbsent(key, ifAbsent);
- bool containsKey(Object key) => _map.containsKey(key);
- bool containsValue(Object value) => _map.containsValue(value);
- void forEach(void action(K key, V value)) {
-_map.forEach(action);
-}
- bool get isEmpty => _map.isEmpty;
- bool get isNotEmpty => _map.isNotEmpty;
- int get length => _map.length;
- Iterable<K> get keys => _map.keys;
- V remove(Object key) => _map.remove(key);
- String toString() => _map.toString();
- Iterable<V> get values => _map.values;
-}
- class UnmodifiableMapView<K, V> = MapView<K, V> with _UnmodifiableMapMixin<K, V>;
- class Maps {static bool containsValue(Map map, value) {
-for (final v in map.values) {
-if (value == v) {
-return true;
-}
-}
- return false;
-}
- static bool containsKey(Map map, key) {
-for (final k in map.keys) {
-if (key == k) {
-return true;
-}
-}
- return false;
-}
- static putIfAbsent(Map map, key, ifAbsent()) {
-if (map.containsKey(key)) {
-return map[key];
-}
- final v = ifAbsent();
- map[key] = v;
- return v;
-}
- static clear(Map map) {
-for (final k in map.keys.toList()) {
-map.remove(k);
-}
-}
- static forEach(Map map, void f(key, value)) {
-for (final k in map.keys) {
-f(k, map[k]);
-}
-}
- static Iterable getValues(Map map) {
-return map.keys.map((key) => map[key]);
-}
- static int length(Map map) => map.keys.length;
- static bool isEmpty(Map map) => map.keys.isEmpty;
- static bool isNotEmpty(Map map) => map.keys.isNotEmpty;
- static String mapToString(Map m) {
-if (IterableBase._isToStringVisiting(m)) {
-return '{...}';
-}
- var result = new StringBuffer();
- try {
-IterableBase._toStringVisiting.add(m);
- result.write('{');
- bool first = true;
- m.forEach((k, v) {
-if (!first) {
-result.write(', ');
-}
- first = false;
- result.write(k);
- result.write(': ');
- result.write(v);
-}
-);
- result.write('}');
-}
- finally {
-assert (identical(IterableBase._toStringVisiting.last, m)); IterableBase._toStringVisiting.removeLast();
-}
- return result.toString();
-}
- static _id(x) => x;
- static void _fillMapWithMappedIterable(Map map, Iterable iterable, key(element), value(element)) {
-if (key == null) key = _id;
- if (value == null) value = _id;
- for (var element in iterable) {
-map[key(element)] = value(element);
-}
-}
- static void _fillMapWithIterables(Map map, Iterable keys, Iterable values) {
-Iterator keyIterator = keys.iterator;
- Iterator valueIterator = values.iterator;
- bool hasNextKey = keyIterator.moveNext();
- bool hasNextValue = valueIterator.moveNext();
- while (hasNextKey && hasNextValue) {
-map[keyIterator.current] = valueIterator.current;
- hasNextKey = keyIterator.moveNext();
- hasNextValue = valueIterator.moveNext();
-}
- if (hasNextKey || hasNextValue) {
-throw new ArgumentError("Iterables do not have same length.");
-}
-}
-}