Mercurial > urweb
annotate tests/unurlify.ur @ 1454:96353138f016
Fix bug in projection of constructors from modules in class rules.
| author | Karn Kallio <kkallio@eka> |
|---|---|
| date | Sun, 01 May 2011 00:26:08 -0430 |
| parents | ebf27030ae3b |
| children |
| rev | line source |
|---|---|
| adamc@398 | 1 datatype list t = Nil | Cons of t * list t |
| adamc@398 | 2 |
| adamc@398 | 3 fun handler (ls : list bool) = return <xml/> |
| adamc@398 | 4 |
| adamc@402 | 5 datatype wlist = WNil | Empty | WCons of bool * wlist |
| adamc@402 | 6 |
| adamc@402 | 7 fun whandler' (ls : wlist) = |
| adamc@402 | 8 case ls of |
| adamc@402 | 9 WNil => <xml>Nil</xml> |
| adamc@402 | 10 | Empty => <xml>Empty</xml> |
| adamc@402 | 11 | WCons (x, ls') => <xml>{[x]} :: {whandler' ls'}</xml> |
| adamc@402 | 12 |
| adamc@402 | 13 fun whandler ls = return (whandler' ls) |
| adamc@402 | 14 |
| adamc@398 | 15 fun main () : transaction page = return <xml><body> |
| adamc@402 | 16 <a link={handler Nil}>!</a><br/> |
| adamc@402 | 17 <a link={whandler WNil}>Nil</a><br/> |
| adamc@402 | 18 <a link={whandler Empty}>Empty</a><br/> |
| adamc@402 | 19 <a link={whandler (WCons (True, WCons (False, Empty)))}>True :: False :: Empty</a><br/> |
| adamc@398 | 20 </body></xml> |