std::multimap::begin, std::multimap::cbegin
From cppreference.com
                    
                                        
                    
                    
                                                            
                    
| iterator begin(); | ||
| const_iterator begin() const; | ||
| const_iterator cbegin() const; | (since C++11) | |
Returns an iterator to the first element of the container.
If the container is empty, the returned iterator will be equal to end().
| Contents | 
[edit] Parameters
(none)
[edit] Return value
Iterator to the first element
[edit] Exceptions
| (none) | (until C++11) | 
| 
noexcept specification:   noexcept | (since C++11) | 
[edit] Complexity
Constant
[edit] Example
| This section is incomplete Reason: no example | 
[edit] See also
| returns an iterator to the end (public member function) |