std::mask_array::mask_array
From cppreference.com
                    
                                        
                    < cpp | numeric | valarray | mask array
                    
                                                            
                    
| mask_array( const mask_array& other ); | ||
| mask_array() = delete; | ||
Constructs a mask_array from another mask_array other. 
The default constructor is implicitly deleted.
[edit] Parameters
| other | - | mask_arrayto initialize with |