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view tests/pprint.ur @ 2132:7b508cd0dbf9

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author Adam Chlipala <adam@chlipala.net>
date Sun, 12 Apr 2015 14:28:27 -0400
parents 318ba997a149
children
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line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False