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view tests/pprint.ur @ 1737:78d7cc9c9b18

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Don't modify the module cache after elaboration failures
author Adam Chlipala <adam@chlipala.net>
date Wed, 02 May 2012 08:56:19 -0400
parents 318ba997a149
children
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line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False