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annotate tests/pprint.ur @ 1801:5c51ae0d643b

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Fix some unportable uses of C character class functions
author Adam Chlipala <adam@chlipala.net>
date Fri, 03 Aug 2012 08:32:03 -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