annotate tests/pprint.ur @ 1989:210fb3dfc483

Some more nested functor bug-fixing, including generating fresh internal names at applications; still need to debug issues with datatype constructors
author Adam Chlipala <adam@chlipala.net>
date Thu, 20 Feb 2014 10:27:15 -0500
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