1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.lang3.function; 19 20 import java.util.function.BiFunction; 21 22 /** 23 * A function that accepts two arguments and produces a boolean result. This is the {@code boolean}-producing primitive 24 * specialization for {@link BiFunction}. 25 * 26 * @param <T> the type of the first argument to the function. 27 * @param <U> the type of the second argument to the function. 28 * 29 * @see BiFunction 30 * @since 3.12.0 31 */ 32 @FunctionalInterface 33 public interface ToBooleanBiFunction<T, U> { 34 35 /** 36 * Applies this function to the given arguments. 37 * 38 * @param t the first function argument. 39 * @param u the second function argument. 40 * @return the function result. 41 */ applyAsBoolean(T t, U u)42 boolean applyAsBoolean(T t, U u); 43 } 44