std::shuffle_order_engine<Engine,K>::operator()
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                    < cpp | numeric | random | shuffle order engine
                    
                                                            
                    
|   result_type operator()();  | 
(since C++11) | |
Generates a random value. The state of the underlying engine is advanced one or more times.
Parameters
(none)
Return value
A pseudo-random number in [min(), max()].
Exceptions
Throws nothing.
See also
|    (C++11)  | 
  advances the adaptor's state by a specified amount  (public member function)  |