std::vector<T,Allocator>::get_allocator
From cppreference.com
                    
                                        
                    
                    
                                                            
                    
|   allocator_type get_allocator() const;  | 
(until C++11) | |
|   allocator_type get_allocator() const noexcept;  | 
 (since C++11)  (until C++20)  | 
|
|   constexpr allocator_type get_allocator() const noexcept;  | 
(since C++20) | |
Returns the allocator associated with the container.
Parameters
(none)
Return value
The associated allocator.
Complexity
Constant.