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tkellogg/gist:1941345

Created February 29, 2012 14:56
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Example of option types in F#
Raw
gistfile1.fs
let find kittens =
match kittens.IndexOf("kittens") with
| -1 -> None
| x -> Some kittens.SubString(x, 7)
match find "a box of kittens" with
| None -> printf "no kittens"
| Some container -> printf "kittens found inside '%s'" container
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