1 /* 2 * Copyright (C) 2017 The Android Open Source Project 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 17 package com.android.internal.util.function; 18 19 20 import java.util.function.Function; 21 22 /** 23 * A 4-argument {@link Function} 24 * 25 * @hide 26 */ 27 public interface QuadFunction<A, B, C, D, R> { apply(A a, B b, C c, D d)28 R apply(A a, B b, C c, D d); 29 } 30