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// conversions from integral to floating point durations allowed 18 19#include <chrono> 20#include <cassert> 21 22int main() 23{ 24 { 25 std::chrono::duration<int> i(3); 26 std::chrono::duration<double, std::milli> d = i; 27 assert(d.count() == 3000); 28 } 29#ifndef _LIBCPP_HAS_NO_CONSTEXPR 30 { 31 constexpr std::chrono::duration<int> i(3); 32 constexpr std::chrono::duration<double, std::milli> d = i; 33 static_assert(d.count() == 3000, ""); 34 } 35#endif 36} 37