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RxJava 3.x extra sources, operators and components and ports of many 1.x companion libraries.

There is a newer version: 3.1.1

/*
 * Copyright 2016-2019 David Karnok
 *
 * 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 hu.akarnokd.rxjava3.functions;

import io.reactivex.rxjava3.functions.Function4;

/**
 * A {@link Function4} with suppressed exception on its
 * {@link #apply(Object, Object, Object, Object)} method.
 *
 * @param  the first argument type
 * @param  the second argument type
 * @param  the third argument type
 * @param  the fourth argument type
 * @param  the output value type
 */
public interface PlainFunction4
extends Function4 {

    @Override
    R apply(T1 t1, T2 t2, T3 t3, T4 t4);
}