#include <iostream>
#include <chrono>
template <typename T, typename R>
std::chrono::duration<T, R> getStepTime()
{
std::chrono::duration<T, R> duration;
return std::chrono::duration_cast<std::chrono::duration<T, R>>(duration);
}
int main() {
getStepTime<double, std::ratio<1>>();
return 0;
}
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