std::independent_bits_engine<Engine,W,UIntType>::discard
From cppreference.com
                    
                                        
                    < cpp | numeric | random | independent bits engine
                    
                                                            
                    
|   void discard( unsigned long long z );  | 
(since C++11) | |
Advances the internal state by z times. Equivalent to calling operator() z times and discarding the result. The state of the underlying engine may be advanced by more than z times.
Parameters
| z | - | integer value specifying the number of times to advance the state by | 
Return value
(none)
Exceptions
Throws nothing.
See also
|    (C++11)  | 
  advances the state of the underlying engine and returns the generated value  (public member function)  |