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Some stellar general purpose utils.

There is a newer version: 0.36

/*
 * Copyright (C) Posten Norge AS
 *
 * 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 no.digipost.tuple;

/**
 * A type which may be viewed as a composite of four values, i.e. a {@link Quadruple}.
 *
 * @param  The type of the first value.
 * @param  The type of the second value.
 * @param  The type of the third value.
 * @param  The type of the fourth value.
 */
@FunctionalInterface
public interface ViewableAsQuadruple {

    /**
     * @return The {@link Quadruple} view of this object.
     */
    Quadruple asQuadruple();

}