view tests/ccheckbox.ur @ 1639:6c00d8af6239

Add a new scoping check for unification variables, to fix a type inference bug
author Adam Chlipala <adam@chlipala.net>
date Sun, 18 Dec 2011 11:29:13 -0500
parents 37f5a23446b2
children
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fun main () : transaction page =
    s <- source True;
    t <- source 1;
    return <xml><body><ccheckbox source={s} onclick={set t 3}/>
      <dyn signal={s <- signal s;
                   t <- signal t;
                   return <xml>{[s]} {[t]}</xml>}/>
    </body></xml>