| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <chrono> |
| |
| // duration |
| |
| // template <class Rep2, class Period2> |
| // duration(const duration<Rep2, Period2>& d); |
| |
| // conversions from integral to floating point durations allowed |
| |
| #include <chrono> |
| #include <cassert> |
| |
| int main() |
| { |
| { |
| std::chrono::duration<int> i(3); |
| std::chrono::duration<double, std::milli> d = i; |
| assert(d.count() == 3000); |
| } |
| #ifndef _LIBCPP_HAS_NO_CONSTEXPR |
| { |
| constexpr std::chrono::duration<int> i(3); |
| constexpr std::chrono::duration<double, std::milli> d = i; |
| static_assert(d.count() == 3000, ""); |
| } |
| #endif |
| } |