adamc@823: fun sum [t] (_ : num t) [fs ::: {Unit}] (fl : folder fs) (x : $(mapU t fs)) = adamc@1093: @foldUR [t] [fn _ => t] adamc@1093: (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc) adamc@1093: zero fl x adamc@417: adamc@417: fun main () = return adamc@633: {[sum {A = 0, B = 1}]}
adamc@633: {[sum {C = 2.1, D = 3.2, E = 4.3}]} adamc@417: