Mercurial > urweb

annotate tests/pprint.ur @ 1878:df6a040f5389

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make transactional FFI functions effectful by default
author Adam Chlipala <adam@chlipala.net>
date Thu, 10 Oct 2013 18:01:30 -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