Mercurial > urweb
view demo/counter.ur @ 1993:3d1d44111906
Change Basis.getenv to return None outside the context of a web request
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Tue, 04 Mar 2014 08:46:33 -0500 |
parents | 4359e185d3af |
children |
line wrap: on
line source
(* Workhorse function, which [main] will call *) fun counter n = return <xml><body> Current counter: {[n]}<br/> <a link={counter (n + 1)}>Increment</a><br/> <a link={counter (n - 1)}>Decrement</a> </body></xml> fun main () = counter 0