result_type operator()();
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// independent_bits_engine::operator()
#include <iostream>
#include <chrono>
#include <random>
int main ()
{
// obtain a seed from the system clock:
unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
std::independent_bits_engine<std::mt19937,64,std::uint_fast64_t> generator (seed);
std::cout << "Random value: " << generator() << std::endl;
return 0;
}Random value: 7627186886521130655