diff options
Diffstat (limited to 'impl/IdSet.hpp')
-rw-r--r-- | impl/IdSet.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/impl/IdSet.hpp b/impl/IdSet.hpp index 950b1e1..bf98502 100644 --- a/impl/IdSet.hpp +++ b/impl/IdSet.hpp @@ -96,6 +96,10 @@ class IdSet { return _set.size(); } + bool empty() const { + return _set.empty(); + } + private: unsigned int _range; std::set<unsigned int> _set; |