Debug.Hexdumptype nonrec ('rw, 'seek) t = ('rw, 'seek) tval sexp_of_t : ('rw -> Ppx_sexp_conv_lib.Sexp.t) -> ('seek -> Ppx_sexp_conv_lib.Sexp.t) -> ('rw, 'seek) t -> Ppx_sexp_conv_lib.Sexp.tval to_string_hum : ?max_lines:int -> (_, _) t -> stringval to_sequence : ?max_lines:int -> (_, _) t -> string Core_kernel.Sequence.t