nashorn/samples/fizzbuzz.js
author iveresov
Thu, 17 Sep 2015 13:42:50 -0700
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Merge
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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// What is FizzBuzz? http://c2.com/cgi/wiki?FizzBuzzTest
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// Yet another FizzBuzz impl. using Java 8 lambda and stream
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// but using Nashorn. This is ECMAScript port of @stuartmarks'
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// Java implementation
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var IntStream = Java.type("java.util.stream.IntStream");
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function ifmod(m, r, f) {
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    return function(i) { return i % m == 0? r : f(i); }
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}
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// pass script function for lambda
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IntStream.rangeClosed(1, 100).
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   mapToObj(
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      ifmod(15, "FizzBuzz", ifmod(5, "Buzz", ifmod(3, "Fizz", String))))
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      .forEach(print);