10 const std::string &dir_name,
11 const std::string &file_name,
12 const std::function<
void(std::ostream &)> &write
15 const std::string final_file_name = dir_name +
"/" + file_name;
16 std::filesystem::create_directories(dir_name);
18 std::ofstream out(final_file_name, std::ios::binary | std::ios::trunc);