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view tests/pprint.ur @ 1913:d67e043d3f0d

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author Adam Chlipala <adam@chlipala.net>
date Sun, 24 Nov 2013 10:06:37 -0500
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False