This is meant to allow std::moving the returned object when needed.
Otherwise std::move(s.get_vector()) will be degraded to copying.
Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
This class implements an add-only vector that ensures that the elements are
unique.
As long as items are only added this class does essentially the same what Java's
LinkedHashSet does.
Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
New in v2:
- Moved sequenced_set to its own .hh file.
