Use custom traits instead of libstd's `MetadataExt` and `PermissionsExt`.#343

Merged

sunfishcode merged 6 commits intomainfrom sunfishcode/dont-use-sealed-traits

Jan 10, 2024

+366-131

Commits on Jan 3, 2024

Use custom traits instead of libstd's MetadataExt and PermissionsExt.
sunfishcode
committed

Commits on Jan 10, 2024

More fixes.
sunfishcode
committed