blob: 96a45891a84f9ec09b0b6a95ef8ca9e2c006a106 (
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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}]}
</body></xml>
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