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 nested types 15 16 // typedef Rep rep; 17 // typedef Period period; 18 19 #include <chrono> 20 #include <type_traits> 21 main()22int main() 23 { 24 typedef std::chrono::duration<long, std::ratio<3, 2> > D; 25 static_assert((std::is_same<D::rep, long>::value), ""); 26 static_assert((std::is_same<D::period, std::ratio<3, 2> >::value), ""); 27 } 28