std::experimental::filesystem::path:: root_path

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C++
Experimental
Filesystem library
Classes
Functions
File types
path
Member functions
Path decomposition
Non-member functions
path root_path ( ) const ;
(filesystem TS)

Returns the root path of the path. If the path does not include root path, returns path ( ) .

Effectively, returns the following: root_name ( ) / root_directory ( )

Parameters

(none)

Return value

The root path of the path.

Exceptions

May throw implementation-defined exceptions.

Example

Run this code 
#include <experimental/filesystem>
#include <iostream>
namespace fs = std::experimental::filesystem;
 
int main()
{
    std::cout << "Current root path is: " << fs::current_path().root_path() << '\n';
}

Possible output: 

Current root path is: "C:\"

See also

returns the root-name of the path, if present
(public member function)
returns the root directory of the path, if present
(public member function)
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