Parameter Make_tree.Key
include sig ... end
include Sexplib0.Sexpable.S with type t := Key.t
val t_of_sexp : Sexplib0.Sexp.t -> Key.tval sexp_of_t : Key.t -> Sexplib0.Sexp.tinclude Core.Comparator.S with type t := Key.t
val comparator : (Key.t, Key.comparator_witness) Base.Comparator.comparator