Mercurial > urweb
view tests/whiteout.ur @ 2033:ea0ecd5fa9df
Add locking to enforce atomicity of message sends from one transaction
author | Adam Chlipala <adam@chlipala.net> |
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date | Fri, 27 Jun 2014 14:39:31 -0400 |
parents | f0224c7f12bb |
children |
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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>