write_label
out.write_label("dt_blob_start");
out.write_label("dt_header");
writer.write_label("dt_strings_start");
writer.write_label("dt_strings_end");
virtual void write_label(const std::string &name) = 0;
void write_label(const std::string &name) override;
reservation_writer.write_label(string("dt_reserve_map"));
struct_writer.write_label(string("dt_struct_start"));
struct_writer.write_label(string("dt_struct_end"));
strings_writer.write_label(string("dt_blob_end"));