001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * https://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.lang3.function; 019 020import java.util.function.BiFunction; 021 022/** 023 * A function that accepts two arguments and produces a boolean result. This is the {@code boolean}-producing primitive 024 * specialization for {@link BiFunction}. 025 * 026 * @param <T> the type of the first argument to the function. 027 * @param <U> the type of the second argument to the function. 028 * @see BiFunction 029 * @since 3.12.0 030 */ 031@FunctionalInterface 032public interface ToBooleanBiFunction<T, U> { 033 034 /** 035 * Applies this function to the given arguments. 036 * 037 * @param t the first function argument. 038 * @param u the second function argument. 039 * @return the function result. 040 */ 041 boolean applyAsBoolean(T t, U u); 042}