C++程序  |  49行  |  1.52 KB

//===----------------------------------------------------------------------===//
//
//                     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>

// time_point

// template <class Clock, class Duration1, class Duration2>
//   bool
//   operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);

// template <class Clock, class Duration1, class Duration2>
//   bool
//   operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);

// template <class Clock, class Duration1, class Duration2>
//   bool
//   operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);

// template <class Clock, class Duration1, class Duration2>
//   bool
//   operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);

// time_points with different clocks should not compare

#include <chrono>

#include "../../clock.h"

int main()
{
    typedef std::chrono::system_clock Clock1;
    typedef Clock                     Clock2;
    typedef std::chrono::milliseconds Duration1;
    typedef std::chrono::microseconds Duration2;
    typedef std::chrono::time_point<Clock1, Duration1> T1;
    typedef std::chrono::time_point<Clock2, Duration2> T2;

    T1 t1(Duration1(3));
    T2 t2(Duration2(3000));
    t1 < t2;
}