Mercurial > urweb

view tests/pprint.ur @ 2086:3d22f761a4b7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
In checking signature subsumption, be sure to try constraints last.
author Adam Chlipala <adam@chlipala.net>
date Thu, 04 Dec 2014 20:22:39 -0500
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False