Mercurial > urweb

annotate tests/pprint.ur @ 1774:27fdd78bd2f5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Avoid redundant rollbacks
author Adam Chlipala <adam@chlipala.net>
date Sat, 02 Jun 2012 10:54:49 -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