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/*
* Copyright (C) 2014-2021 Brian L. Browning
*
* This file is part of Beagle
*
* Beagle is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Beagle is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package blbutil;
/**
* <p>Class {@code TriFunction} represents a function that accepts three
* arguments and produces a result. This functional interface that
* is analogous to the {@code java.util.function.BiFunction} interface.
*
* @param <T> the type of the first argument to the function
* @param <U> the type of the second argument to the function
* @param <V> the type of the third argument to the function
* @param <R> the type of the result of the function
*
* @author Brian L. Browning {@code <browning@uw.edu>}
*/
public interface TriFunction<T, U, V, R> {
/**
* Applies this function to the specified arguments.
*
* @param t the first function argument
* @param u the second function argument
* @param v the third function argument
* @return the function result
* @throws NullPointerException if any function argument is {@code null}
*/
R apply(T t, U u, V v);
}
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