1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <chrono> 11 12 // time_point 13 14 // template <class Clock, class Duration1, class Duration2> 15 // typename common_type<Duration1, Duration2>::type 16 // operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); 17 18 #include <chrono> 19 #include <cassert> 20 21 int main() 22 { 23 typedef std::chrono::system_clock Clock; 24 typedef std::chrono::milliseconds Duration1; 25 typedef std::chrono::microseconds Duration2; 26 std::chrono::time_point<Clock, Duration1> t1(Duration1(3)); 27 std::chrono::time_point<Clock, Duration2> t2(Duration2(5)); 28 assert((t1 - t2) == Duration2(2995)); 29 } 30
