Ur/Web: tests/reactive5.ur annotate

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	e955d50c389d
children

rev	line source
adamc@581	1 fun main () : transaction page =
adamc@581	2 x <- source <xml>A</xml>;
adamc@581	3 y <- source <xml>B</xml>;
adamc@581	4 return <xml><body>
adamc@581	5 <dyn signal={x <- signal x; y <- signal y; return <xml>{x}, {y}</xml>}/>
adamc@581	6 <br/>
adamc@581	7 <a onclick={set x <xml>C</xml>}>Change x</a><br/>
adamc@581	8 <a onclick={set y <xml>D</xml>}>Change y</a><br/>
adamc@581	9 </body></xml>

Mercurial > urweb