Mercurial > urweb
view demo/tcSum.ur @ 473:04b91c33ef54
Resolve all tag named in [Basis]; deal with C compilation failure without leaving /tmp files
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sat, 08 Nov 2008 10:33:58 -0500 |
parents | e0e9e9eca1cb |
children | 6c4643880df5 |
line wrap: on
line source
fun sum (t ::: Type) (_ : num t) (fs ::: {Unit}) (x : $(mapUT t fs)) = foldUR [t] [fn _ => t] (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] n acc => n + acc) zero [fs] x fun main () = return <xml><body> {[sum {A = 0, B = 1}]}<br/> {[sum {C = 2.1, D = 3.2, E = 4.3}]} </body></xml>