Mercurial > urweb

annotate tests/pprint.ur @ 2193:1d6e7e3405f6

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 Sun, 22 Nov 2015 10:09:16 -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