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Specializations and support utilities for functional interfaces that are missing from the standard library

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// SPDX-License-Identifier: Apache-2.0
/*
 * extended-functions
 * Copyright 2021-2024 Marko Zajc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.eu.zajc.ef.bifunction;

import java.util.Objects;
import java.util.function.*;

import javax.annotation.Nonnull;

import org.eu.zajc.ef.function.ByteFunction;
import org.eu.zajc.ef.trifunction.ObjObjByteFunction;

/**
 * Represents a function that accepts an object-valued and a {@code byte}-valued
 * argument, and produces a result. This is the {@code (reference, byte)}
 * specialization of {@link BiFunction}.
 *
 * 

* This is a functional interface whose functional method is * {@link #apply(Object, byte)}. * * @param * the type of the first argument to the function * @param * the type of the result of the function * * @see BiFunction * @see ByteFunction * @see ObjObjByteFunction * * @author Marko Zajc */ @FunctionalInterface public interface ObjByteFunction { /** * Applies this function to the given arguments. * * @param t * the first function argument * @param p * the second ({@code byte}) function argument * * @return the function result */ R apply(T t, byte p); /** * Returns a composed function that first applies this function to its input, and * then applies the {@code after} function to the result. If evaluation of either * function throws an exception, it is relayed to the caller of the composed * function. * * @param * the type of output of the {@code after} function, and of the composed * function * @param after * the function to apply after this function is applied * * @return a composed function that first applies this function and then applies the * {@code after} function * * @throws NullPointerException * if after is null */ @Nonnull default ObjByteFunction andThen(@Nonnull Function after) { Objects.requireNonNull(after); return (t, p) -> after.apply(apply(t, p)); } }





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