Mercurial > urweb
annotate tests/unurlify.ur @ 2103:661b531f55bd
Fix arguments to PQprepare()
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 07 Jan 2015 09:25:13 -0500 |
parents | ebf27030ae3b |
children |
rev | line source |
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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> |