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bigjason/gist:7b38fc61d1c46d98bbc3

Created May 13, 2014 17:36
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gistfile1.scala
scala> (1 to 100).map(n => if(n > 10) None else Some(n))
res1: scala.collection.immutable.IndexedSeq[Option[Int]] = Vector(Some(1), Some(2), Some(3), Some(4), Some(5), Some(6), Some(7), Some(8), Some(9), Some(10), None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None)
scala> (1 to 100).flatMap(n => if(n > 10) None else Some(n))
res2: scala.collection.immutable.IndexedSeq[Int] = Vector(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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