C++ – A nice example measuring funtion execution time with C++11

#include <iostream>
#include <chrono>

template<typename TimeT = std::chrono::milliseconds>
struct measure
    template<typename F, typename ...Args>
    static typename TimeT::rep execution(F&& func, Args&&... args)
        auto start = std::chrono::system_clock::now();
        auto duration = std::chrono::duration_cast< TimeT> 
                            (std::chrono::system_clock::now() - start);
        return duration.count();

int main() {
    std::cout << measure<>::execution(functor(dummy)) << std::endl;
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