view tests/sequence.ur @ 1469:a354b306f948

Explain how to signal an error in a commit handler
author Adam Chlipala <adam@chlipala.net>
date Tue, 31 May 2011 09:14:03 -0400
parents e976b187d73a
children
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line source
sequence seq

fun main () : transaction page =
        n <- nextval seq;
        return <html><body>
                {txt _ n}
        </body></html>