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• Reduction.java

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net.sf.staccatocommons.collections.reduction.Reduction Maven / Gradle / Ivy

/*
 Copyright (c) 2011, The Staccato-Commons Team

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; version 3 of the License.

 This program 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 Lesser General Public License for more details.
 */
package net.sf.staccatocommons.collections.reduction;

/**
 * 
 * @author flbulgarelli
 * @since 1.2
 * @param 
 * @param 
 */
public interface Reduction {

  /***/
  B reduce(A element, B accum);

  /***
   * Applies the function for its initial argument
   * 
   * @param element
   *          the first element of
   * @return the initial accumulation value
   */
  B initial(A element);

  /**
   */
  B initial();
}