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Unified Diff: runtime/lib/collections.dart

Issue 9431015: Wrote functions to convert collections and maps to strings and invoked (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 10 months ago
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Index: runtime/lib/collections.dart
===================================================================
--- runtime/lib/collections.dart (revision 4412)
+++ runtime/lib/collections.dart (working copy)
@@ -1,52 +0,0 @@
-// 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.
-
-/**
- * The [Collections] class implements static methods useful when
- * writing a class that implements [Collection] and the [iterator]
- * method.
- */
-class Collections {
- static void forEach(Iterable<Object> iterable, void f(Object o)) {
- for (final e in iterable) {
- f(e);
- }
- }
-
- static bool some(Iterable<Object> iterable, bool f(Object o)) {
- for (final e in iterable) {
- if (f(e)) return true;
- }
- return false;
- }
-
- static bool every(Iterable<Object> iterable, bool f(Object o)) {
- for (final e in iterable) {
- if (!f(e)) return false;
- }
- return true;
- }
-
- static List<Object> map(Iterable<Object> source,
- List<Object> destination,
- f(Object o)) {
- for (final e in source) {
- destination.add(f(e));
- }
- return destination;
- }
-
- static List<Object> filter(Iterable<Object> source,
- List<Object> destination,
- bool f(Object o)) {
- for (final e in source) {
- if (f(e)) destination.add(e);
- }
- return destination;
- }
-
- static bool isEmpty(Iterable<Object> iterable) {
- return !iterable.iterator().hasNext();
- }
-}
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