Mercurial > urweb
view demo/sum.ur @ 1647:c815dabcfe3c
Finish updating Grid1 demo to work with type inference change
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Thu, 29 Dec 2011 09:47:41 -0500 |
parents | 8d3aa6c7cee0 |
children |
line wrap: on
line source
fun sum [fs ::: {Unit}] (fl : folder fs) (x : $(mapU int fs)) = @foldUR [int] [fn _ => int] (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc) 0 fl x fun main () = return <xml><body> {[sum {}]}<br/> {[sum {A = 0, B = 1}]}<br/> {[sum {C = 2, D = 3, E = 4}]} </body></xml>