view tests/lengthGe.ur @ 1699:3320eba6bad5

Clarify necessity of 'effectful' in the manual
author Adam Chlipala <adam@chlipala.net>
date Tue, 13 Mar 2012 13:36:26 -0400
parents f96e708b4b93
children
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line source
fun main () : transaction page =
    s <- source "";
    return <xml><body>
      <ctextbox source={s}/>
      <dyn signal={v <- signal s;
                   return (txt (strlenGe v 3))}/>
    </body></xml>