001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2025-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.common.function;
019
020/**
021 * {@link java.util.function.Function}-like functional interface which can throw a checked
022 * exception.
023 */
024// https://javadocs.opendaylight.org/infrautils/neon/org/opendaylight/infrautils/utils/function/package-summary.html
025@FunctionalInterface
026public interface CheckedFunction<T, R, E extends Exception> {
027    /**
028     * Applies this function to the given argument.
029     *
030     * @param t the function argument
031     * @return the function result
032     */
033    R apply(T t) throws E;
034}