Created
June 2, 2013 19:50
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Identify a run of consecutive characters.
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| let rec (|Run|_|) n c = | |
| let rec identicals n = function | |
| | rest when n = 0 -> Some rest | |
| | a :: rest when a = c && n > 0 -> identicals (n - 1) rest | |
| | _ -> None | |
| identicals n |
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