Msgpackmodule Internal : sig ... endmodule Custom : sig ... endtype t = Message.t = | Nil| Integer of Base.int| Int64 of Base.Int64.t| UInt64 of Base.Int64.t| Boolean of Base.bool| Floating of Base.float| Array of t Base.list| Map of (t * t) Base.list| String of Base.string| Binary of Base.Bytes.t| Extension of Custom.tval t_of_string : Base.string -> t Base.Or_error.tval t_of_string_exn : Base.string -> tval string_of_t_exn : ?bufsize:Base.int -> t -> Base.string