The enum class type directory_options is a bitmask type ([bitmask.types]) that specifies bitmask constants used to identify directory traversal options, with the meanings listed in Table 127.
Name | Meaning |
none | (Default) Skip directory symlinks, permission denied is an error. |
follow_directory_symlink | Follow rather than skip directory symlinks. |
skip_permission_denied | Skip directories that would otherwise result in permission denied. |