    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}