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Almost Functional is very low impact functional classes inspired by guava, jdk 1.8 and various others.
/*
* Copyright (c) 2013-2014, [email protected]
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with or
* without fee is hereby granted, provided that the above copyright notice and this permission
* notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
* OR PERFORMANCE OF THIS SOFTWARE.
*/
package almost.functional;
/**
* An interface of a function that accepts a first and second argument and returns a result.
* @param Type of the result.
* @param Type of the first argument.
* @param Type of the second argument.
* @since 1.5
*/
public interface BiFunction {
/**
* Apply the function to the first and second argument and return a result.
* @param first argument.
* @param second argument.
* @return the result of applying the function.
*/
R apply(F first, S second);
}