std::experimental::filesystem::path::remove_filename

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Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Concepts (concepts TS)
Ranges (ranges TS)
Special mathematical functions (special math TR)
path& remove_filename()
(1) (filesystem TS)

Removes a single filename component.

The behavior is undefined if the path has no filename component (has_filename returns false).

Parameters

(none)

Return value

*this

Exceptions

(none)

Example

#include <iostream>
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;

int main()
{

    std::cout << fs::path("/foo").remove_filename() << '\n'
              << fs::path("/").remove_filename() << '\n';
}

Output:

"/"
""

See also

returns the filename path component
(public member function)
replaces the last path component with another path
(public member function)
checks if the corresponding path element is not empty
(public member function)