Int64_u.Hex_unsignedPrints -#0x1L as 0xffffffffffffffff, not -0x1.
type nonrec t = tinclude Ppx_hash_lib.Hashable.S_any with type t := tval hash_fold_t : t Ppx_hash_lib.hash_foldval hash : t -> Ppx_hash_lib.Std.Hash.hash_valueval sexp_of_t : t -> Base.Sexp.tval t_of_sexp : Base.Sexp.t @ local -> tval to_string : t -> Base.stringval of_string : Base.string @ local -> tmodule Local : sig ... endmodule Private : sig ... end