# std::unordered_map<Key,T,Hash,KeyEqual,Allocator>::begin(size_type), std::unordered_map<Key,T,Hash,KeyEqual,Allocator>::cbegin(size_type)

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< cpp‎ | container‎ | unordered map

local_iterator begin( size_type n ); |  | (since C++11)
const_local_iterator begin( size_type n ) const; |  | (since C++11)
const_local_iterator cbegin( size_type n ) const; |  | (since C++11)

Returns an iterator to the first element of the bucket with index `n`.

### Parameters

n | - | the index of the bucket to access

### Return value

Iterator to the first element.

### Complexity

Constant.

### See also

end(size_type) cend(size_type) | returns an iterator to the end of the specified bucket (public member function)

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