comparison demo/sum.ur @ 632:6c4643880df5

Demos compile again, with manual folders
author Adam Chlipala <adamc@hcoop.net>
date Tue, 24 Feb 2009 15:12:13 -0500
parents effa7d43aac3
children 03ab853c8e4b
comparison
equal deleted inserted replaced
631:effa7d43aac3 632:6c4643880df5
1 fun sum (fs ::: {Unit}) (fold : folder fs) (x : $(mapUT int fs)) = 1 fun sum (fs ::: {Unit}) (fl : folder fs) (x : $(mapUT int fs)) =
2 foldUR [int] [fn _ => int] 2 foldUR [int] [fn _ => int]
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 0 [fs] fold x 4 0 [fs] fl x
5 5
6 fun main () = return <xml><body> 6 fun main () = return <xml><body>
7 {[sum Folder.nil {}]}<br/> 7 {[sum Folder.nil {}]}<br/>
8 {[sum (Folder.cons [#A] [()] ! (Folder.cons [#B] [()] ! Folder.nil)) {A = 0, B = 1}]}<br/> 8 {[sum (Folder.cons [#A] [()] ! (Folder.cons [#B] [()] ! Folder.nil)) {A = 0, B = 1}]}<br/>
9 {[sum (Folder.cons [#D] [()] ! (Folder.cons [#C] [()] ! (Folder.cons [#E] [()] ! Folder.nil))) {C = 2, D = 3, E = 4}]} 9 {[sum (Folder.cons [#D] [()] ! (Folder.cons [#C] [()] ! (Folder.cons [#E] [()] ! Folder.nil))) {C = 2, D = 3, E = 4}]}