1 /* 2 * Copyright 2020 The JSpecify Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 import org.jspecify.annotations.NullMarked; 17 import org.jspecify.annotations.Nullable; 18 19 @NullMarked 20 class ContainmentExtendsBounded { x()21 void x() { 22 new Check<Lib<? extends Foo>, Lib<? extends Foo>>(); 23 new Check<Lib<? extends @Nullable Foo>, Lib<? extends Foo>>(); 24 new Check<Lib<? extends Foo>, Lib<? extends @Nullable Foo>>(); 25 } 26 27 interface Lib<T extends Foo> {} 28 29 interface Foo {} 30 31 static class Check<F extends @Nullable Object, A extends F> {} 32 } 33