/*
 * Document-method: Fixnum#to_msgpack
 *
 * call-seq:
 *   fixnum.to_msgpack(out = '') -> String
 *
 * Serializes the Fixnum into raw bytes.
 */
static VALUE MessagePack_Fixnum_to_msgpack(int argc, VALUE *argv, VALUE self)
{
        ARG_BUFFER(out, argc, argv);
        msgpack_pack_long(out, FIX2LONG(self));
        return out;
}