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view tests/pprint.ur @ 2035:a3435112b83e

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Top.max and Top.min
author Adam Chlipala <adam@chlipala.net>
date Sun, 29 Jun 2014 08:33:47 -0400
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False