Ur/Web: tests/caseFfi.ur annotate

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author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 12 Oct 2008 10:30:08 -0400
parents	71bafe66dbe1
children

rev	line source
adamc@185	1 extern structure M : sig
adamc@185	2 datatype t = A \| B
adamc@185	3 datatype u = C of t \| D
adamc@185	4 end
adamc@185	5
adamc@185	6 val f = fn x => case x of M.A => M.B \| M.B => M.A
adamc@185	7
adamc@185	8 val t2s = fn x => case x of M.A => "A" \| M.B => "B"
adamc@185	9
adamc@185	10 val g = fn x => case x of M.C a => M.C (f a) \| M.D => M.C M.A
adamc@185	11
adamc@185	12 val u2s = fn x => case x of M.C a => t2s a \| M.D => "D"
adamc@185	13
adamc@185	14 val page = fn x => <html><body>
adamc@185	15 {cdata (t2s x)}
adamc@185	16 </body></html>
adamc@185	17
adamc@185	18 val page2 = fn x => <html><body>
adamc@185	19 {cdata (u2s x)}
adamc@185	20 </body></html>
adamc@185	21
adamc@185	22 val main : unit -> page = fn () => <html><body>
adamc@185	23 <li><a link={page M.A}>A</a></li>
adamc@185	24 <li><a link={page M.B}>B</a></li>
adamc@185	25 <li><a link={page2 (M.C M.A)}>C A</a></li>
adamc@185	26 <li><a link={page2 (M.C M.B)}>C B</a></li>
adamc@185	27 <li><a link={page2 M.D}>D</a></li>
adamc@185	28 </body></html>

Mercurial > urweb