std::experimental::filesystem::path::remove_filename(3)

NAME
std::experimental::filesystem::path::remove_filename - std::experimental::filesystem::path::remove_filename

Synopsis
   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
   May throw implementation-defined exceptions.

Example
// Run this code
 #include <experimental/filesystem>
 #include <iostream>
 namespace fs = std::experimental::filesystem;
 int main()
 {
     std::cout << fs::path("/foo").remove_filename() << '\n'
               << fs::path("/").remove_filename() << '\n';
 }

Output:
 "/"
 ""

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

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