annotate tests/optionM.ur @ 1584:c37d8341940a

Shorter, more focused error messages about undetermined unification variables
author Adam Chlipala <adam@chlipala.net>
date Sat, 29 Oct 2011 17:30:34 -0400
parents a99b743a3087
children
rev   line source
adam@1544 1 fun main () : transaction page = return <xml>{[x <- Some 1;
adam@1544 2 y <- Some 2;
adam@1544 3 return (x + y)]}</xml>