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 * https://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 * @see BiFunction
29 * @since 3.12.0
30 */
31 @FunctionalInterface
32 public interface ToBooleanBiFunction<T, U> {
33
34 /**
35 * Applies this function to the given arguments.
36 *
37 * @param t the first function argument.
38 * @param u the second function argument.
39 * @return the function result.
40 */
41 boolean applyAsBoolean(T t, U u);
42 }