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XuefengWu/oddsum.scala

Created January 12, 2014 15:33
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oddsum.scala
(1 to 100 by 2).map(v => v * v).sum
//Parallel
(1 to 100 by 2).par.map(v => v * v).par.sum
//reduce can not Parallel
(1 to 100 by 2).reduce((acc,v) => acc + v * v)
//lazy, read from infinite
Stream.from(0).map(_ * 2 + 1).take(50).reduce((acc,v) => acc + v * v)
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