[fs.enum.dir.opts]

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 153 .

The constant none represents the empty bitmask; every other constant in the table represents a distinct bitmask element.

Table 153 — Enum class directory_options [tab:fs.enum.dir.opts]

🔗 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.