F#:
let mouth_size = function | IgnoreCase "alligator" -> "small" | _ -> "wide"
But that uses an active pattern to make it case insensitive, like this;
let (|IgnoreCase|_|) a b = match String.Equals(a, b, StringComparison.OrdinalIgnoreCase) with | true -> Some() | false -> None
Active Patterns provide a real nice way to move the ugly details of the case insensitive comparison out the the way.
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F#:
But that uses an active pattern to make it case insensitive, like this;
Active Patterns provide a real nice way to move the ugly details of the case insensitive comparison out the the way.