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@adamchester
Last active August 29, 2015 14:02
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Except (faster; set-based)
let except ex all = all |> Seq.filter (not << Set.ofSeq(ex).Contains)
let filtered = [| 1..1000000 |] |> except [| 20..29 |]
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better version as suggested by @rbartelink:

let except ex = Seq.filter (not << (Set.ofSeq ex).Contains)

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