Example usage for org.apache.commons.functor.adapter BinaryFunctionFunction BinaryFunctionFunction

Introduction

In this page you can find the example usage for org.apache.commons.functor.adapter BinaryFunctionFunction BinaryFunctionFunction.

Prototype

public BinaryFunctionFunction(BinaryFunction<? super A, ? super A, ? extends T> function) 

Source Link

Document

Create a new BinaryFunctionFunction.

Usage

From source file:org.apache.commons.functor.example.kata.four.DataMunger.java

/**
 * A Function that returns the absolute value of the difference
 * between the Integers stored in the <i>col1</i> and <i>col2</i>th
 * whitespace delimited columns of the input line (a String).
 *//*from  w w  w  . j av a  2 s  .  c  o m*/
private static Function<String, Integer> absSpread(final int col1, final int col2) {
    return Composite.function(Abs.instance(),
            new BinaryFunctionFunction<String, Number>(Composite.function(Subtract.instance(),
                    Composite.function(ToInteger.instance(), NthColumn.instance(col1)),
                    Composite.function(ToInteger.instance(), NthColumn.instance(col2)))));
}

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