ceph/src/boost/libs/range/test/compile_fail/adaptor/reversed_concept3.cpp

   1 // Boost.Range library
   2 //
   3 // Copyright Neil Groves 2014. Use, modification and distribution is subject
   4 // to the Boost Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8 // For more information, see http://www.boost.org/libs/range
   9 //
  10
  11 #include "mock_range.hpp"
  12 #include <boost/range/adaptor/reversed.hpp>
  13
  14 int main(int, const char**)
  15 {
  16     using boost::range::unit_test::mock_range;
  17
  18     // This next line should fail when Boost.Range concept checking is
  19     // enabled since the adaptor takes at least a BidirectionalRange.
  20     return boost::adaptors::reverse(
  21         mock_range<boost::forward_traversal_tag>()).front();
  22 }
  23