include sig ... end
val sexp_of_t : ('v_x__001_ ‑> Base.Sexp.t) ‑> 'v_x__001_ t ‑> Base.Sexp.t
module Packed : sig ... end
val to_wire_exn : _ t ‑> char
val of_wire : char ‑> packed
{to,of}_index_exn
provide dense packed integers starting from 0, suitable
for indexing into an array.
val to_index_exn : _ t ‑> int
val of_index_exn : int ‑> packed