Mercurial > urweb
diff demo/sum.ur @ 412:df4cbd90a26e
Infering sum rows
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 21 Oct 2008 19:31:11 -0400 |
parents | 06fcddcd20d3 |
children | 6a0e54400805 |
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--- a/demo/sum.ur Tue Oct 21 19:24:39 2008 -0400 +++ b/demo/sum.ur Tue Oct 21 19:31:11 2008 -0400 @@ -1,9 +1,9 @@ -fun sum (fs :: {Unit}) (x : $(mapUT int fs)) = +fun sum (fs ::: {Unit}) (x : $(mapUT int fs)) = foldUR [int] [fn _ => int] (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] n acc => n + acc) 0 [fs] x fun main () = return <xml><body> - {[sum [[A, B]] {A = 0, B = 1}]}<br/> - {[sum [[C, D, E]] {C = 2, D = 3, E = 4}]} + {[sum {A = 0, B = 1}]}<br/> + {[sum {C = 2, D = 3, E = 4}]} </body></xml>