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annotate tests/pprint.ur @ 2077:3cd2bd4b1de0

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author Adam Chlipala <adam@chlipala.net>
date Sun, 16 Nov 2014 14:16:11 -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