//===----------------------------------------------------------------------===// // // 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> // typename common_type<Duration1, Duration2>::type // operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); #include <chrono> #include <cassert> int main() { typedef std::chrono::system_clock Clock; typedef std::chrono::milliseconds Duration1; typedef std::chrono::microseconds Duration2; std::chrono::time_point<Clock, Duration1> t1(Duration1(3)); std::chrono::time_point<Clock, Duration2> t2(Duration2(5)); assert((t1 - t2) == Duration2(2995)); }