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annotate tests/pprint.ur @ 1966:b15a4c2cb542

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author Adam Chlipala <adam@chlipala.net>
date Sun, 09 Feb 2014 19:29:36 -0500
parents 318ba997a149
children
rev   line source
adam@1727 1 fun isNone [a] (x : option a) =
adam@1727 2 case x of
adam@1727 3 None => True
adam@1727 4 | Some _ => False