Mercurial > urweb

view tests/aborter.ur @ 564:803b2f3bb86b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Monad type class seems to be working
author Adam Chlipala <adamc@hcoop.net>
date Fri, 19 Dec 2008 10:27:58 -0500
parents b10132434adc
children
line wrap: on
line source
table t : {A : int}

fun main () : transaction page =
    () <- dml (INSERT INTO t (A) VALUES (0));
    return (error <xml>No way, Jose!</xml>)