std::experimental::filesystem::path::has_...
Min standard notice:
Checks whether the path contains the corresponding path element.
# Declarations
bool has_root_path() const;
(filesystem TS)
bool has_root_name() const;
(filesystem TS)
bool has_root_directory() const;
(filesystem TS)
bool has_relative_path() const;
(filesystem TS)
bool has_parent_path() const;
(filesystem TS)
bool has_filename() const;
(filesystem TS)
bool has_stem() const;
(filesystem TS)
bool has_extension() const;
(filesystem TS)
# Return value
true if the corresponding path is not empty, false otherwise.