annotate tests/pprint.ur @ 2250:c275bbc41194

Start work on pure expression caching.
author Ziv Scully <ziv@mit.edu>
date Sun, 13 Sep 2015 16:02:45 -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