olmiList.ml1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18open Olmi include List module Requirement = Make.WithJoin(struct type 'a t = 'a list let return x = [x] let fmap = map let join = flatten end) include Make.Plus (Requirement) (struct type 'a t = 'a list let mempty = [] let mplus = append end)