std::unordered_map<Key,T,Hash,KeyEqual,Allocator>::bucket_size

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Containers library
Sequence
(C++11)
Associative
Unordered associative
Adaptors
Views
(C++20)
 
 
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

Linear in the size of the bucket n.

See also

returns the number of buckets
(public member function)