Make_iterable_binable3.1-Iterable_spec
val caller_identity : Shape.Uuid.t
val length : ('a, 'b, 'c) t -> int
val bin_size_el : ('a, 'b, 'c, ('a, 'b, 'c) el) Size.sizer3
val bin_write_el : ('a, 'b, 'c, ('a, 'b, 'c) el) Write.writer3
val bin_read_el : ('a, 'b, 'c, ('a, 'b, 'c) el) Read.reader3