annotate tests/pprint.ur @ 1972:56c68443cb9d

Basic datetime library.
author Patrick Hurst <phurst@mit.edu>
date Thu, 05 Dec 2013 11:36:46 -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