30 Input/output library [input.output]

30.10 File systems [filesystems]

30.10.13 Class recursive_­directory_­iterator [fs.class.rec.dir.itr]

30.10.13.2 recursive_­directory_­iterator non-member functions [fs.rec.dir.itr.nonmembers]

These functions enable use of recursive_­directory_­iterator with range-based for statements.
recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept;
Returns: iter.
recursive_directory_iterator end(const recursive_directory_iterator&) noexcept;
Returns: recursive_­directory_­iterator().