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Showing content from https://timsong-cpp.github.io/cppwp/n4659/fs.path.query below:

[fs.path.query]

30 Input/output library [input.output] 30.10 File systems [filesystems] 30.10.27 Class path [fs.class.path] 30.10.27.4 path members [fs.path.member] 30.10.27.4.10 path query [fs.path.query]

bool empty() const noexcept;

Returns: true if the pathname in the generic format is empty, else false.

bool has_root_path() const;

Returns: !root_­path().empty().

bool has_root_name() const;

Returns: !root_­name().empty().

bool has_root_directory() const;

Returns: !root_­directory().empty().

bool has_relative_path() const;

Returns: !relative_­path().empty().

bool has_parent_path() const;

Returns: !parent_­path().empty().

bool has_filename() const;

Returns: !filename().empty().

bool has_stem() const;

Returns: !stem().empty().

bool has_extension() const;

Returns: !extension().empty().

bool is_absolute() const;

Returns: true if the pathname in the native format contains an absolute path, else false.

[Example: path("/").is_­absolute() is true for POSIX-based operating systems, and false for Windows-based operating systems. end example]

bool is_relative() const;


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