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 // <experimental/chrono> 11 12 #include <experimental/chrono> 13 14 #if _LIBCPP_STD_VER > 11 15 # ifndef _LIBCPP_CHRONO 16 # error "<experimental/chrono> must include <chrono>" 17 # endif 18 #endif 19 20 int main() 21 { 22 } 23
