std::unordered_map::end(int), std::unordered_map::cend(int)

From cppreference.com
iterator end( size_type n );
(since C++11)
const_iterator end( size_type n ) const;
(since C++11)
const_iterator cend( size_type n ) const;
(since C++11)

Returns an iterator to the element following the last element of the bucket with index n. . This element acts as a placeholder, attempting to access it results in undefined behavior.

Contents

[edit] Parameters

n - the index of the bucket to access

[edit] Return value

iterator to the element following the last element

[edit] Complexity

Constant

[edit] See also

returns an iterator to the beginning of the specified bucket
(public member function)