Added method map to Collection interface and all its implementations (except classes generated fr...

runtime/lib/growable_array.dart

 // 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.
 
 class GrowableObjectArray<T> implements List<T> {
   ObjectArray<T> backingArray;
 
   factory GrowableObjectArray._uninstantiable() {
     throw const UnsupportedOperationException(
         "GrowableObjectArray can only be allocated by the VM");
@@ skipping 180 matching lines @@
    */
 
   void forEach(f(T element)) {
     // TODO(srdjan): Use Collections.forEach(this, f);
     // Using backingArray directly improves DeltaBlue performance by 25%.
     for (int i = 0; i < _length; i++) {
       f(backingArray[i]);
     }
   }
 
+  Collection map(f(T element)) {
+    return Collections.map(this, new GrowableObjectArray.withCapacity(length), f);
+  }
+
   Collection<T> filter(bool f(T element)) {
     return Collections.filter(this, new GrowableObjectArray<T>(), f);
   }
 
   bool every(bool f(T element)) {
     return Collections.every(this, f);
   }
 
   bool some(bool f(T element)) {
     return Collections.some(this, f);
@@ skipping 35 matching lines @@
     if (!hasNext()) {
       throw const NoMoreElementsException();
     }
     return _array[_pos++];
   }
 
   final GrowableObjectArray<T> _array;
   int _pos;
 }