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larsrh/stackoverflow.scala

Created August 30, 2012 20:31
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map as function
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stackoverflow.scala
// <http://stackoverflow.com/q/12204869>
def map[T, U, X, CC[X] <: Traversable[X]](cct: CC[T], f: T => U)(implicit cbf: CanBuildFrom[CC[T], U, CC[U]]): CC[U] =
cct.map(t => f(t))(collection.breakOut(cbf))
/*
scala> map(List(1,2,3), (x: Int) => x.toString)
res1: List[java.lang.String] = List(1, 2, 3)
*/
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