count()

template<typename Key, typename Value, typename Compare = less<Key>, typename Allocator = allocator<fl::pair<Key, Value>>>

fl::size fl::MultiMapTree< Key, Value, Compare, Allocator >::count ( const Key & key ) const

inline

Definition at line 393 of file multi_map.h.

                                       {
        auto range = equal_range(key);
        fl::size count = 0;
        for (auto it = range.first; it != range.second; ++it) {
            ++count;
        }
        return count;
    }