| /* |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package java.lang; |
| |
| import static javaemul.internal.InternalPreconditions.checkNotNull; |
| |
| import java.util.Iterator; |
| import java.util.Spliterator; |
| import java.util.Spliterators; |
| import java.util.function.Consumer; |
| |
| /** |
| * Allows an instance of a class implementing this interface to be used in the |
| * foreach statement. |
| * See <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html"> |
| * the official Java API doc</a> for details. |
| * |
| * @param <T> type of returned iterator |
| */ |
| public interface Iterable<T> { |
| Iterator<T> iterator(); |
| |
| default void forEach(Consumer<? super T> action) { |
| checkNotNull(action); |
| for (T t : this) { |
| action.accept(t); |
| } |
| } |
| |
| default Spliterator<T> spliterator() { |
| return Spliterators.spliteratorUnknownSize(iterator(), 0); |
| } |
| } |