Email_address.DomainSourceval sexp_of_t : t -> Sexplib0.Sexp.tinclude Ppx_compare_lib.Comparable.S with type t := tval compare : t Base__Ppx_compare_lib.compareinclude Core.Comparator.S
with type t := t
and type comparator_witness = Core.String.Caseless.comparator_witnesstype comparator_witness = Core.String.Caseless.comparator_witnessval comparator : (t, comparator_witness) Base.Comparator.t