C++程序  |  31行  |  846 B

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <chrono>

// duration

// template <class Rep1, class Period, class Rep2>
//   duration<typename common_type<Rep1, Rep2>::type, Period>
//   operator*(const duration<Rep1, Period>& d, const Rep2& s);

// template <class Rep1, class Period, class Rep2>
//   duration<typename common_type<Rep1, Rep2>::type, Period>
//   operator*(const Rep1& s, const duration<Rep2, Period>& d);

#include <chrono>

#include "../../rep.h"

int main()
{
    std::chrono::duration<Rep> d;
    d = d * 5;
}