Function is_existing_file

src/framework/io/filesystem.cpp:14–17

}

bool is_existing_file(const std::filesystem::path & path) {
    std::error_code ec;
    return std::filesystem::is_regular_file(path, ec);
}

std::filesystem::path require_directory(const std::filesystem::path & path, std::string_view role) {
    if (!is_existing_directory(path)) {