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annotate tests/pprint.ur @ 2046:ced78ef1c82f

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New .urp directive: file
author Adam Chlipala <adam@chlipala.net>
date Thu, 31 Jul 2014 09:56:41 -0400
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