src/main/java/org/apache/commons/lang3/function/IntToCharFunction.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.commons.lang3.function;

import java.util.function.Function;

/**
 * Represents a function that accepts an int-valued argument and produces a long-valued result. This is the
 * {@code int}-to-{@code long} primitive specialization for {@link Function}.
 *
 * <p>
 * This is a <a href="package-summary.html">functional interface</a> whose functional method is
 * {@link #applyAsChar(int)}.
 * </p>
 *
 * @see Function
 * @since 3.13.0
 */
@FunctionalInterface
public interface IntToCharFunction {

    /**
     * Applies this function to the given argument.
     *
     * @param value the function argument.
     * @return the function result.
     */
    char applyAsChar(int value);
}