Mercurial > urweb
view demo/listShop.ur @ 1795:d28adceef22a
Allow type class instances with hypotheses via local ('let') definitions
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 25 Jul 2012 14:04:59 -0400 |
parents | 8084fa9216de |
children |
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structure I = struct type t = int val toString = show val fromString = read end structure S = struct type t = string val toString = show val fromString = read end structure IL = ListFun.Make(I) structure SL = ListFun.Make(S) fun main () = return <xml><body> Pick your poison:<br/> <li> <a link={IL.main ()}>Integers</a></li> <li> <a link={SL.main ()}>Strings</a></li> </body></xml>