Home | History | Annotate | Download | only in time
      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 // typedef duration<signed integral type of at least 29 bits, ratio< 60>> minutes;
     13 
     14 #include <chrono>
     15 #include <type_traits>
     16 #include <limits>
     17 
     18 int main()
     19 {
     20     typedef std::chrono::minutes D;
     21     typedef D::rep Rep;
     22     typedef D::period Period;
     23     static_assert(std::is_signed<Rep>::value, "");
     24     static_assert(std::is_integral<Rep>::value, "");
     25     static_assert(std::numeric_limits<Rep>::digits >= 28, "");
     26     static_assert((std::is_same<Period, std::ratio<60> >::value), "");
     27 }
     28