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view tests/sequence.ur @ 639:9da62680adc5

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RPC returning an option datatype
author Adam Chlipala <adamc@hcoop.net>
date Sun, 08 Mar 2009 12:54:07 -0400
parents e976b187d73a
children
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sequence seq

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