std::inplace_vector<T,N>::begin, std::inplace_vector<T,N>::cbegin
From cppreference.com
                    
                                        
                    < cpp | container | inplace vector
                    
                                                            
                    
|   constexpr iterator begin() noexcept;  | 
(1) | (since C++26) | 
|   constexpr const_iterator begin() const noexcept;  | 
(2) | (since C++26) | 
|   constexpr const_iterator cbegin() const noexcept;  | 
(3) | (since C++26) | 
Returns an iterator to the first element of the inplace_vector.
If the inplace_vector is empty, the returned iterator will be equal to end().
Parameters
(none)
Return value
Iterator to the first element.
Complexity
Constant.
Example
Template:cpp/container/begin/examples/inplace vector
See also
|   returns an iterator to the end  (public member function)  | |
|    (C++11)(C++14)  | 
  returns an iterator to the beginning of a container or array  (function template)  |