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// Period shall be a specialization of ratio, diagnostic required. 15 16#include <chrono> 17 18template <int N, int D = 1> 19class Ratio 20{ 21public: 22 static const int num = N; 23 static const int den = D; 24}; 25 26int main() 27{ 28 typedef std::chrono::duration<int, Ratio<1> > D; 29 D d; 30} 31