Functor Core_set_intf.Check_creators1

module Check_creators1: 
functor (M : Creators1) -> Check_creators(sig
type ('a, 'b) t = 'a M.t 

end)(sig
type ('a, 'b) t = 'a M.tree 

end)(sig
type 'a t = 'a 

end)(Without_comparator)(M)