remove generated_sdk from checked in code

test/generated_sdk/lib/core/iterable.dart

Index: test/generated_sdk/lib/core/iterable.dart
diff --git a/test/generated_sdk/lib/core/iterable.dart b/test/generated_sdk/lib/core/iterable.dart
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-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-part of dart.core;
-
-/**
- * An object that uses an [Iterator] to serve objects one at a time.
- *
- * You can iterate over all objects served by an Iterable object
- * using the for-in loop construct.
- * For example, you can iterate over all of the keys in a [Map],
- * because Map keys are iterable.
- *
- *     Map kidsBooks = {'Matilda': 'Roald Dahl',
- *                      'Green Eggs and Ham': 'Dr Seuss',
- *                      'Where the Wild Things Are': 'Maurice Sendak'};
- *     for (var book in kidsBooks.keys) {
- *       print('$book was written by ${kidsBooks[book]}');
- *     }
- *
- * The [List] class and the [Set] class implement this interface,
- * as do classes in the [dart:collection](#dart-collection) library.
- *
- * You can implement Iterable in your own class.
- * If you do, then an instance of your Iterable class
- * can be the right-hand side of a for-in construct.
- *
- * Some subclasss of [Iterable] can be modified. It is generally not allowed
- * to modify such collections while they are being iterated. Doing so will break
- * the iteration, which is typically signalled by throwing a
- * [ConcurrentModificationError] when it is detected.
- */
-@SupportJsExtensionMethods()
-abstract class Iterable<E> {
-  const Iterable();
-
-  /**
-   * Creates an Iterable that generates its elements dynamically.
-   *
-   * The Iterators created by the Iterable count from
-   * zero to [:count - 1:] while iterating, and call [generator]
-   * with that index to create the next value.
-   *
-   * If [generator] is omitted, it defaults to an identity function
-   * on integers `(int x) => x`, so it should only be omitted if the type
-   * parameter allows integer values.
-   *
-   * As an Iterable, [:new Iterable.generate(n, generator)):] is equivalent to
-   * [:const [0, ..., n - 1].map(generator):]
-   */
-  factory Iterable.generate(int count, [E generator(int index)]) {
-    if (count <= 0) return new EmptyIterable<E>();
-    return new _GeneratorIterable<E>(count, generator);
-  }
-
-  /**
-   * Returns a new `Iterator` that allows iterating the elements of this
-   * `Iterable`.
-   *
-   * Modifying the underlying data after creating the new iterator
-   * may cause an error the next time [Iterator.moveNext] is called.
-   */
-  Iterator<E> get iterator;
-
-  /**
-   * Returns a new lazy [Iterable] with elements that are created by
-   * calling `f` on the elements of this `Iterable`.
-   *
-   * This method returns a view of the mapped elements. As long as the
-   * returned [Iterable] is not iterated over, the supplied function [f] will
-   * not be invoked. The transformed elements will not be cached. Iterating
-   * multiple times over the the returned [Iterable] will invoke the supplied
-   * function [f] multiple times on the same element.
-   */
-  Iterable map(f(E element));
-
-  /**
-   * Returns a new lazy [Iterable] with all elements that satisfy the
-   * predicate [test].
-   *
-   * This method returns a view of the mapped elements. As long as the
-   * returned [Iterable] is not iterated over, the supplied function [test] will
-   * not be invoked. Iterating will not cache results, and thus iterating
-   * multiple times over the returned [Iterable] will invoke the supplied
-   * function [test] multiple times on the same element.
-   */
-  Iterable<E> where(bool test(E element));
-
-  /**
-   * Expands each element of this [Iterable] into zero or more elements.
-   *
-   * The resulting Iterable runs through the elements returned
-   * by [f] for each element of this, in order.
-   *
-   * The returned [Iterable] is lazy, and calls [f] for each element
-   * of this every time it's iterated.
-   */
-  Iterable expand(Iterable f(E element));
-
-  /**
-   * Returns true if the collection contains an element equal to [element].
-   *
-   * The equality used to determine whether [element] is equal to an element of
-   * the iterable, depends on the type of iterable.
-   * For example, a [Set] may have a custom equality
-   * (see, e.g., [Set.identical]) that its `contains` uses.
-   * Likewise the `Iterable` returned by a [Map.keys] call
-   * will likely use the same equality that the `Map` uses for keys.
-   */
-  bool contains(Object element);
-
-  /**
-   * Applies the function [f] to each element of this collection.
-   */
-  void forEach(void f(E element));
-
-  /**
-   * Reduces a collection to a single value by iteratively combining elements
-   * of the collection using the provided function.
-   *
-   * Example of calculating the sum of an iterable:
-   *
-   *     iterable.reduce((value, element) => value + element);
-   *
-   */
-  E reduce(E combine(E value, E element));
-
-  /**
-   * Reduces a collection to a single value by iteratively combining each
-   * element of the collection with an existing value using the provided
-   * function.
-   *
-   * Use [initialValue] as the initial value, and the function [combine] to
-   * create a new value from the previous one and an element.
-   *
-   * Example of calculating the sum of an iterable:
-   *
-   *     iterable.fold(0, (prev, element) => prev + element);
-   *
-   */
-  dynamic fold(var initialValue,
-               dynamic combine(var previousValue, E element));
-
-  /**
-   * Returns true if every elements of this collection satisify the
-   * predicate [test]. Returns `false` otherwise.
-   */
-  bool every(bool test(E element));
-
-  /**
-   * Converts each element to a [String] and concatenates the strings.
-   *
-   * Converts each element to a [String] by calling [Object.toString] on it.
-   * Then concatenates the strings, optionally separated by the [separator]
-   * string.
-   */
-  String join([String separator = ""]) {
-    StringBuffer buffer = new StringBuffer();
-    buffer.writeAll(this, separator);
-    return buffer.toString();
-  }
-
-  /**
-   * Returns true if one element of this collection satisfies the
-   * predicate [test]. Returns false otherwise.
-   */
-  bool any(bool test(E element));
-
-  /**
-   * Creates a [List] containing the elements of this [Iterable].
-   *
-   * The elements are in iteration order. The list is fixed-length
-   * if [growable] is false.
-   */
-  List<E> toList({ bool growable: true });
-
-  /**
-   * Creates a [Set] containing the same elements as this iterable.
-   *
-   * The set may contain fewer elements than the iterable,
-   * if the iterable contains the an element more than once,
-   * or it contains one or more elements that are equal.
-   * The order of the elements in the set is not guaranteed to be the same
-   * as for the iterable.
-   */
-  Set<E> toSet();
-
-  /**
-   * Returns the number of elements in [this].
-   *
-   * Counting all elements may be involve running through all elements and can
-   * therefore be slow.
-   */
-  int get length;
-
-  /**
-   * Returns true if there is no element in this collection.
-   */
-  bool get isEmpty;
-
-  /**
-   * Returns true if there is at least one element in this collection.
-   */
-  bool get isNotEmpty;
-
-  /**
-   * Returns an [Iterable] with at most [count] elements.
-   *
-   * The returned `Iterable` may contain fewer than `count` elements, if `this`
-   * contains fewer than `count` elements.
-   *
-   * It is an error if `count` is negative.
-   */
-  Iterable<E> take(int count);
-
-  /**
-   * Returns an Iterable that stops once [test] is not satisfied anymore.
-   *
-   * The filtering happens lazily. Every new Iterator of the returned
-   * Iterable starts iterating over the elements of `this`.
-   *
-   * When the iterator encounters an element `e` that does not satisfy [test],
-   * it discards `e` and moves into the finished state. That is, it does not
-   * get or provide any more elements.
-   */
-  Iterable<E> takeWhile(bool test(E value));
-
-  /**
-   * Returns an Iterable that skips the first [count] elements.
-   *
-   * If `this` has fewer than `count` elements, then the resulting Iterable is
-   * empty.
-   *
-   * It is an error if `count` is negative.
-   */
-  Iterable<E> skip(int count);
-
-  /**
-   * Returns an Iterable that skips elements while [test] is satisfied.
-   *
-   * The filtering happens lazily. Every new Iterator of the returned
-   * Iterable iterates over all elements of `this`.
-   *
-   * As long as the iterator's elements satisfy [test] they are
-   * discarded. Once an element does not satisfy the [test] the iterator stops
-   * testing and uses every later element unconditionally. That is, the elements
-   * of the returned Iterable are the elements of `this` starting from the
-   * first element that does not satisfy [test].
-   */
-  Iterable<E> skipWhile(bool test(E value));
-
-  /**
-   * Returns the first element.
-   *
-   * If `this` is empty throws a [StateError]. Otherwise this method is
-   * equivalent to [:this.elementAt(0):]
-   */
-  E get first;
-
-  /**
-   * Returns the last element.
-   *
-   * If `this` is empty throws a [StateError].
-   */
-  E get last;
-
-  /**
-   * Returns the single element in `this`.
-   *
-   * If `this` is empty or has more than one element throws a [StateError].
-   */
-  E get single;
-
-  /**
-   * Returns the first element that satisfies the given predicate [test].
-   *
-   * If none matches, the result of invoking the [orElse] function is
-   * returned. By default, when [orElse] is `null`, a [StateError] is
-   * thrown.
-   */
-  E firstWhere(bool test(E element), { E orElse() });
-
-  /**
-   * Returns the last element that satisfies the given predicate [test].
-   *
-   * If none matches, the result of invoking the [orElse] function is
-   * returned. By default, when [orElse] is `null`, a [StateError] is
-   * thrown.
-   */
-  E lastWhere(bool test(E element), {E orElse()});
-
-  /**
-   * Returns the single element that satisfies [test]. If no or more than one
-   * element match then a [StateError] is thrown.
-   */
-  E singleWhere(bool test(E element));
-
-  /**
-   * Returns the [index]th element.
-   *
-   * The [index] must be non-negative and less than [length].
-   *
-   * Note: if `this` does not have a deterministic iteration order then the
-   * function may simply return any element without any iteration if there are
-   * at least [index] elements in `this`.
-   */
-  E elementAt(int index);
-}
-
-typedef E _Generator<E>(int index);
-
-class _GeneratorIterable<E> extends IterableBase<E>
-                            implements EfficientLength {
-  final int _start;
-  final int _end;
-  final _Generator<E> _generator;
-  _GeneratorIterable(this._end, E generator(int n))
-      : _start = 0,
-        _generator = (generator != null) ? generator : _id;
-
-  _GeneratorIterable.slice(this._start, this._end, this._generator);
-
-  Iterator<E> get iterator =>
-      new _GeneratorIterator<E>(_start, _end, _generator);
-  int get length => _end - _start;
-
-  Iterable<E> skip(int count) {
-    RangeError.checkNotNegative(count, "count");
-    if (count == 0) return this;
-    int newStart = _start + count;
-    if (newStart >= _end) return new EmptyIterable<E>();
-    return new _GeneratorIterable<E>.slice(newStart, _end, _generator);
-  }
-
-  Iterable<E> take(int count) {
-    RangeError.checkNotNegative(count, "count");
-    if (count == 0) return new EmptyIterable<E>();
-    int newEnd = _start + count;
-    if (newEnd >= _end) return this;
-    return new _GeneratorIterable<E>.slice(_start, newEnd, _generator);
-  }
-
-  static int _id(int n) => n;
-}
-
-class _GeneratorIterator<E> implements Iterator<E> {
-  final int _end;
-  final _Generator<E> _generator;
-  int _index;
-  E _current;
-
-  _GeneratorIterator(this._index, this._end, this._generator);
-
-  bool moveNext() {
-    if (_index < _end) {
-      _current = _generator(_index);
-      _index++;
-      return true;
-    } else {
-      _current = null;
-      return false;
-    }
-  }
-
-  E get current => _current;
-}
-
-/**
- * An Iterator that allows moving backwards as well as forwards.
- */
-abstract class BidirectionalIterator<E> implements Iterator<E> {
-  /**
-   * Move back to the previous element.
-   *
-   * Returns true and updates [current] if successful. Returns false
-   * and sets [current] to null if there is no previous element.
-   */
-  bool movePrevious();
-}