Mercurial > urweb

annotate tests/unurlify.ur @ 930:51bc7681c47e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Nullable columns *might* be working, but too much JS is generated for the page to load in finite time
author Adam Chlipala <adamc@hcoop.net>
date Sat, 12 Sep 2009 15:08:16 -0400
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>