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tpolecat/gist:599627eac471b36f9a2a

Created December 8, 2014 19:36
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gistfile1.scala
def mergeRanges(ns: List[Int]): List[Range] =
ns.foldRight(List.empty[Range]) {
case (n, r :: rs) if (n == r.min - 1) => (n to r.max) :: rs
case (n, rs) => (n to n) :: rs
}
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