adamc@823: fun sum [fs ::: {Unit}] (fl : folder fs) (x : $(mapU int fs)) = adamc@1093: @foldUR [int] [fn _ => int] adamc@1093: (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc) adamc@1093: 0 fl x adamc@411: adamc@411: fun main () = return adamc@633: {[sum {}]}
adamc@633: {[sum {A = 0, B = 1}]}
adamc@633: {[sum {C = 2, D = 3, E = 4}]} adamc@411: