static std::set<std::string> read_directory(const std::string& pathname);
static std::set<std::string> dsubdirs(const std::string& rel_path, const std::string& expected_file);
static std::set<std::string> dfiles(const std::string& rel_path, const std::string& glob, const std::string& exception_str);
+
+ static std::string dirname(const std::string& filename);
};
/// All you need to get an application up and running