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view tests/pprint.ur @ 2011:cfd604842006

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A .urs comment about [queryL*]
author Adam Chlipala <adam@chlipala.net>
date Sat, 03 May 2014 07:59:45 -0400
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False