1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <chrono> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// typedef duration<signed integral type of at least 55 bits, micro> microseconds; 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <chrono> 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <type_traits> 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <limits> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant typedef std::chrono::microseconds D; 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant typedef D::rep Rep; 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant typedef D::period Period; 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert(std::is_signed<Rep>::value, ""); 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert(std::is_integral<Rep>::value, ""); 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert(std::numeric_limits<Rep>::digits >= 54, ""); 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert((std::is_same<Period, std::micro>::value), ""); 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 28