53 lines
2.0 KiB
Java
53 lines
2.0 KiB
Java
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/*
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* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.util.function;
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/**
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* Represents a function that accepts two arguments and produces a double-valued
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* result. This is the {@code double}-producing primitive specialization for
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* {@link BiFunction}.
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*
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* <p>This is a <a href="package-summary.html">functional interface</a>
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* whose functional method is {@link #applyAsDouble(Object, Object)}.
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*
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* @param <T> the type of the first argument to the function
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* @param <U> the type of the second argument to the function
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*
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* @see BiFunction
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* @since 1.8
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*/
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@FunctionalInterface
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public interface ToDoubleBiFunction<T, U> {
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/**
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* Applies this function to the given arguments.
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*
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* @param t the first function argument
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* @param u the second function argument
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* @return the function result
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*/
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double applyAsDouble(T t, U u);
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}
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