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view tests/whiteout.ur @ 1505:8c851e5508a7
Tutorial: up to First-Class Polymorphism
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 17 Jul 2011 11:00:04 -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>