Remove dart backend

test/dart_codegen/expect/collection/set.dart

-part of dart.collection;
- abstract class SetMixin<E> implements Set<E> {bool add(E element);
- bool contains(Object element);
- E lookup(Object element);
- bool remove(Object element);
- Iterator<E> get iterator;
- Set<E> toSet();
- int get length;
- bool get isEmpty => length == 0;
- bool get isNotEmpty => length != 0;
- void clear() {
-  removeAll(toList());
-  }
- void addAll(Iterable<E> elements) {
-  for (E element in elements) add(element);
-  }
- void removeAll(Iterable<Object> elements) {
-  for (Object element in elements) remove(element);
-  }
- void retainAll(Iterable<Object> elements) {
-  Set<E> toRemove = toSet();
-   for (Object o in elements) {
-    toRemove.remove(o);
-    }
-   removeAll(toRemove);
-  }
- void removeWhere(bool test(E element)) {
-  List toRemove = [];
-   for (E element in this) {
-    if (test(element)) toRemove.add(element);
-    }
-   removeAll(toRemove);
-  }
- void retainWhere(bool test(E element)) {
-  List toRemove = [];
-   for (E element in this) {
-    if (!test(element)) toRemove.add(element);
-    }
-   removeAll(toRemove);
-  }
- bool containsAll(Iterable<Object> other) {
-  for (Object o in other) {
-    if (!contains(o)) return false;
-    }
-   return true;
-  }
- Set<E> union(Set<E> other) {
-  return toSet()..addAll(other);
-  }
- Set<E> intersection(Set<Object> other) {
-  Set<E> result = toSet();
-   for (E element in this) {
-    if (!other.contains(element)) result.remove(element);
-    }
-   return result;
-  }
- Set<E> difference(Set<Object> other) {
-  Set<E> result = toSet();
-   for (E element in this) {
-    if (other.contains(element)) result.remove(element);
-    }
-   return result;
-  }
- List<E> toList({
-  bool growable : true}
-) {
-  List<E> result = growable ? (new List<E>()..length = length) : new List<E>(length);
-   int i = 0;
-   for (E element in this) result[i++] = element;
-   return result;
-  }
- Iterable map(f(E element)) => new EfficientLengthMappedIterable<E, dynamic>(this, f);
- E get single {
-  if (length > 1) throw IterableElementError.tooMany();
-   Iterator<E> it = iterator;
-   if (!it.moveNext()) throw IterableElementError.noElement();
-   E result = it.current;
-   return result;
-  }
- String toString() => IterableBase.iterableToFullString(this, '{', '}');
- Iterable<E> where(bool f(E element)) => new WhereIterable<E>(this, f);
- Iterable expand(Iterable f(E element)) => new ExpandIterable<E, dynamic>(this, f);
- void forEach(void f(E element)) {
-  for (E element in this) f(element);
-  }
- E reduce(E combine(E value, E element)) {
-  Iterator<E> iterator = this.iterator;
-   if (!iterator.moveNext()) {
-    throw IterableElementError.noElement();
-    }
-   E value = iterator.current;
-   while (iterator.moveNext()) {
-    value = combine(value, iterator.current);
-    }
-   return value;
-  }
- dynamic fold(var initialValue, dynamic combine(var previousValue, E element)) {
-  var value = initialValue;
-   for (E element in this) value = combine(value, element);
-   return value;
-  }
- bool every(bool f(E element)) {
-  for (E element in this) {
-    if (!f(element)) return false;
-    }
-   return true;
-  }
- String join([String separator = ""]) {
-  Iterator<E> iterator = this.iterator;
-   if (!iterator.moveNext()) return "";
-   StringBuffer buffer = new StringBuffer();
-   if (separator == null || separator == "") {
-    do {
-      buffer.write("${iterator.current}");
-      }
-     while (iterator.moveNext());}
-   else {
-    buffer.write("${iterator.current}");
-     while (iterator.moveNext()) {
-      buffer.write(separator);
-       buffer.write("${iterator.current}");
-      }
-    }
-   return buffer.toString();
-  }
- bool any(bool test(E element)) {
-  for (E element in this) {
-    if (test(element)) return true;
-    }
-   return false;
-  }
- Iterable<E> take(int n) {
-  return new TakeIterable<E>(this, n);
-  }
- Iterable<E> takeWhile(bool test(E value)) {
-  return new TakeWhileIterable<E>(this, test);
-  }
- Iterable<E> skip(int n) {
-  return new SkipIterable<E>(this, n);
-  }
- Iterable<E> skipWhile(bool test(E value)) {
-  return new SkipWhileIterable<E>(this, test);
-  }
- E get first {
-  Iterator<E> it = iterator;
-   if (!it.moveNext()) {
-    throw IterableElementError.noElement();
-    }
-   return it.current;
-  }
- E get last {
-  Iterator<E> it = iterator;
-   if (!it.moveNext()) {
-    throw IterableElementError.noElement();
-    }
-   E result;
-   do {
-    result = it.current;
-    }
-   while (it.moveNext()); return result;
-  }
- E firstWhere(bool test(E value), {
-  E orElse()}
-) {
-  for (E element in this) {
-    if (test(element)) return element;
-    }
-   if (orElse != null) return orElse();
-   throw IterableElementError.noElement();
-  }
- E lastWhere(bool test(E value), {
-  E orElse()}
-) {
-  E result = null;
-   bool foundMatching = false;
-   for (E element in this) {
-    if (test(element)) {
-      result = element;
-       foundMatching = true;
-      }
-    }
-   if (foundMatching) return result;
-   if (orElse != null) return orElse();
-   throw IterableElementError.noElement();
-  }
- E singleWhere(bool test(E value)) {
-  E result = null;
-   bool foundMatching = false;
-   for (E element in this) {
-    if (test(element)) {
-      if (foundMatching) {
-        throw IterableElementError.tooMany();
-        }
-       result = element;
-       foundMatching = true;
-      }
-    }
-   if (foundMatching) return result;
-   throw IterableElementError.noElement();
-  }
- E elementAt(int index) {
-  if (index is! int) throw new ArgumentError.notNull("index");
-   RangeError.checkNotNegative(index, "index");
-   int elementIndex = 0;
-   for (E element in this) {
-    if (index == elementIndex) return element;
-     elementIndex++;
-    }
-   throw new RangeError.index(index, this, "index", null, elementIndex);
-  }
-}
- abstract class SetBase<E> extends SetMixin<E> {static String setToString(Set set) => IterableBase.iterableToFullString(set, '{', '}');
-}