std::ios_base::imbue
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | std::locale imbue( const std::locale& loc ); | ||
Sets the associated locale of the stream to the given one. Before returning, each function, registered by register_callback() is called with imbue_event as a parameter. 
| Contents | 
[edit] Parameters
| loc | - | new locale to associate the stream to | 
[edit] Return value
The locale object, associated with the stream before the operation
[edit] Example
| This section is incomplete Reason: no example | 
[edit] See also
| returns current locale (public member function) |