libcxx/test/std/time/time.duration/time.duration.cast/toduration.compile.fail.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <chrono>
  10
  11 // duration
  12
  13 // template <class ToDuration, class Rep, class Period>
  14 //   ToDuration
  15 //   duration_cast(const duration<Rep, Period>& d);
  16
  17 // ToDuration shall be an instantiation of duration.
  18
  19 #include <chrono>
  20
  21 int main(int, char**)
  22 {
  23     std::chrono::duration_cast<int>(std::chrono::milliseconds(3));
  24
  25   return 0;
  26 }