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 // duration 13 14 // Test default template arg: 15 16 // template <class Rep, class Period = ratio<1>> 17 // class duration; 18 19 #include <chrono> 20 #include <type_traits> 21 22 int main() 23 { 24 static_assert((std::is_same<std::chrono::duration<int, std::ratio<1> >, 25 std::chrono::duration<int> >::value), ""); 26 } 27