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// template <class Rep2, class Period2> 15// duration(const duration<Rep2, Period2>& d); 16 17// exact conversions allowed for integral reps 18 19#include <chrono> 20#include <cassert> 21 22int main() 23{ 24 { 25 std::chrono::milliseconds ms(1); 26 std::chrono::microseconds us = ms; 27 assert(us.count() == 1000); 28 } 29#ifndef _LIBCPP_HAS_NO_CONSTEXPR 30 { 31 constexpr std::chrono::milliseconds ms(1); 32 constexpr std::chrono::microseconds us = ms; 33 static_assert(us.count() == 1000, ""); 34 } 35#endif 36} 37