Mercurial > urweb
view tests/caseMod.ur @ 1180:ac3dbbc85c6e
Standard library moduls Incl and Mem; tweaks to Especialize and Unpoly
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sat, 06 Mar 2010 16:15:26 -0500 |
parents | 71bafe66dbe1 |
children |
line wrap: on
line source
structure M = struct datatype t = A | B end val f = fn x : M.t => case x of M.A => M.B | M.B => M.A datatype t = datatype M.t val g = fn x : t => case x of M.A => B | B => M.A structure N = struct datatype u = C of t | D end val h = fn x : N.u => case x of N.C x => x | N.D => M.A datatype u = datatype N.u val i = fn x : u => case x of N.C x => x | D => M.A val toString = fn x => case x of C A => "C A" | C B => "C B" | D => "D" val rec page = fn x => <html><body> {cdata (toString x)}<br/> <br/> <a link={page x}>Again!</a> </body></html> val main : unit -> page = fn () => <html><body> <li> <a link={page (C A)}>C A</a></li> <li> <a link={page (C B)}>C B</a></li> <li> <a link={page D}>D</a></li> </body></html>