Mercurial > urweb

view tests/pprint.ur @ 1806:40557fb08e98

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 Tue, 07 Aug 2012 09:41:02 -0400
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False