Mercurial > urweb
comparison demo/tcSum.ur @ 632:6c4643880df5
Demos compile again, with manual folders
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 24 Feb 2009 15:12:13 -0500 |
parents | e0e9e9eca1cb |
children | 03ab853c8e4b |
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631:effa7d43aac3 | 632:6c4643880df5 |
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1 fun sum (t ::: Type) (_ : num t) (fs ::: {Unit}) (x : $(mapUT t fs)) = | 1 fun sum (t ::: Type) (_ : num t) (fs ::: {Unit}) (fl : folder fs) (x : $(mapUT t fs)) = |
2 foldUR [t] [fn _ => t] | 2 foldUR [t] [fn _ => t] |
3 (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] n acc => n + acc) | 3 (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] n acc => n + acc) |
4 zero [fs] x | 4 zero [fs] fl x |
5 | 5 |
6 fun main () = return <xml><body> | 6 fun main () = return <xml><body> |
7 {[sum {A = 0, B = 1}]}<br/> | 7 {[sum (Folder.cons [#A] [()] ! (Folder.cons [#B] [()] ! Folder.nil)) {A = 0, B = 1}]}<br/> |
8 {[sum {C = 2.1, D = 3.2, E = 4.3}]} | 8 {[sum (Folder.cons [#D] [()] ! (Folder.cons [#C] [()] ! (Folder.cons [#E] [()] ! Folder.nil))) {C = 2.1, D = 3.2, E = 4.3}]} |
9 </body></xml> | 9 </body></xml> |