std::unordered_multimap::bucket_size
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                    < cpp | container | unordered multimap
                    
                                                            
                    
| size_type bucket_size( size_type n ) const; | (since C++11) | |
Returns the number of elements in the bucket with index n.
Parameters
| n | - | the index of the bucket to examine | 
Return value
The number of elements in the bucket n.
Complexity
Constant.
See also
| returns the number of buckets (public member function) |