1 // Copyright 2017 The Bazel Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // This test class is in the java.lang namespace to trigger the hardcoded JVM restrictions that 16 // desugar --core_library works around 17 package java.lang; 18 19 /** 20 * This class will be desugared with --core_library and then functionally tested by {@code 21 * DesugarCoreLibraryFunctionalTest} 22 */ 23 public class AutoboxedTypes { 24 /** 25 * Dummy functional interface for autoboxedTypeLambda to return without introducing a dependency 26 * on any other java.* classes. 27 */ 28 @FunctionalInterface 29 public interface Lambda { 30 String charAt(String s); 31 } 32 33 public static Lambda autoboxedTypeLambda(Integer i) { 34 return n -> n.substring(i, i + 1); 35 } 36 } 37