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view demo/sum.ur @ 628:12b73f3c108e
Switch to TDisjoint from CDisjoint; still need to implement obligation generation at EDisjoint uses
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Tue, 24 Feb 2009 12:01:24 -0500 |
| parents | f4f2b09a533a |
| children | effa7d43aac3 |
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fun sum (fs ::: {Unit}) (fold : folder fs) (x : $(mapUT int fs)) = foldUR [int] [fn _ => int] (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] n acc => n + acc) 0 [fs] fold x fun main () = return <xml><body> {[sum Folder.nil {}]}<br/> {[sum (Folder.cons [#A] [()] (Folder.cons [#B] [()] Folder.nil)) {A = 0, B = 1}]}<br/> {[sum (Folder.cons [#D] [()] (Folder.cons [#C] [()] (Folder.cons [#E] [()] Folder.nil))) {C = 2, D = 3, E = 4}]} </body></xml>