29 Input/output library [input.output]

29.11 File systems [filesystems]

29.11.14 Filesystem operation functions [fs.op.funcs]

29.11.14.18 Is directory [fs.op.is.directory]

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bool is_directory(file_status s) noexcept;
1
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Returns: s.type() == file_­type​::​directory.
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bool is_directory(const path& p); bool is_directory(const path& p, error_code& ec) noexcept;
2
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Returns: is_­directory(status(p)) or is_­directory(status(p, ec)), respectively.
The signature with argument ec returns false if an error occurs.
3
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Throws: As specified in [fs.err.report].