view tests/pprint.ur @ 1757:b6c4b3484752

In incremental elaboration, handle invalidated FFI signatures
author Adam Chlipala <adam@chlipala.net>
date Wed, 09 May 2012 08:53:10 -0400
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False