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Transducers for Java

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// Copyright 2014 Cognitect. All Rights Reserved.
//
// 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 com.cognitect.transducers;

/**
 * A function of two arguments
 * @param  type of first argument
 * @param  type of second argument
 * @param  return type
 */
public interface BiFunction {
    /**
     * Invokes the function
     * @param t first argument
     * @param u second argument
     * @return return value
     */
    R apply(T t, U u);
}