Comb_gates.With_zero_widthConcatention, selection and resizing functions for signals encoded as an option where None means zero width.
type non_zero_width = tval sexp_of_non_zero_width : non_zero_width -> Sexplib0.Sexp.ttype t = non_zero_width optionval sexp_of_t : t -> Sexplib0.Sexp.tval of_non_zero_width : non_zero_width -> tval to_non_zero_width : ?default:non_zero_width -> t -> non_zero_widthval zero_width : tval zero : int -> tval one : int -> tval ones : int -> tval mux : t -> non_zero_width list -> non_zero_width