annotate tests/pprint.ur @ 1864:1aa9629e3a4c

Allow [where con] to descend within submodule structure; open submodule constraints while checking later signature items
author Adam Chlipala <adam@chlipala.net>
date Mon, 19 Aug 2013 12:25:32 -0400
parents 318ba997a149
children
rev   line source
adam@1727 1 fun isNone [a] (x : option a) =
adam@1727 2 case x of
adam@1727 3 None => True
adam@1727 4 | Some _ => False