Mercurial > urweb

annotate tests/pprint.ur @ 2117:f1c4edf0a655

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
New release
author Adam Chlipala <adam@chlipala.net>
date Sat, 14 Feb 2015 08:17:36 -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