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Update snippet 'Check if value is a valid enum or flags combination'
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[<RequireQualifiedAccess>] module Enum = let isDefined<'a, 'b when 'a : enum<'b>> (value:'a) = let (!<) = box >> unbox >> uint64 let typ = typeof<'a> if typ.IsDefined(typeof<System.FlagsAttribute>, false) then ((!< value, System.Enum.GetValues(typ) |> unbox) ||> Array.fold (fun n v -> n &&& ~~~(!< v)) = 0UL) else System.Enum.IsDefined(typ, value)
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enumeration
enum
enumeration
enum
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