Mercurial > urweb

view tests/whiteout.ur @ 1588:65d6488c82d5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix confusing error message when record unification fails because enclosed types are incompatible
author Adam Chlipala <adam@chlipala.net>
date Sat, 05 Nov 2011 09:56:52 -0400
parents f0224c7f12bb
children
line wrap: on
line source
table t : { Chan : option (channel unit) }

fun main () : transaction page =
    ch <- channel;
    dml (INSERT INTO t (Chan) VALUES ({[Some ch]}));
    return <xml><body>Did it.</body></xml>