std::filesystem::path::root_name
| path root_name() const; | (since C++17) | 
Returns the root name of the generic-format path. If the path (in generic format) does not include root name, returns path().
Parameters
(none).
Return value
The root name of the path.
Exceptions
(none).
Example
#include <iostream>
#include <filesystem>
namespace fs = std::filesystem;
 
int main()
{
    std::cout << "Current root name is: " << fs::current_path().root_name() << '\n';
}Possible output:
Current root name is: "C:"
See also
| returns the root directory of the path, if present (public member function) | |
| returns the root path of the path, if present (public member function) | 
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