ceph/src/boost/libs/optional/test/optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_pass.cpp

   1 // Copyright (C) 2015 Andrzej Krzemienski.
   2 //
   3 // Use, modification, and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/lib/optional for documentation.
   8 //
   9 // You are welcome to contact the author at:
  10 //  akrzemi1@gmail.com
  11
  12 #include "boost/core/ignore_unused.hpp"
  13 #include "boost/core/lightweight_test.hpp"
  14 #include "boost/optional/detail/optional_config.hpp"
  15
  16 #if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (defined BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF)
  17
  18 int main() { return 0; }
  19
  20 #else
  21
  22 struct S {};
  23
  24 struct Binder
  25 {
  26   S& ref_;
  27   template <typename R> Binder (R&&r) : ref_(r) {}
  28 };
  29
  30 int main()
  31 {
  32   S s ;
  33   Binder b = s;
  34   boost::ignore_unused(b);
  35   return 0;
  36 }
  37
  38 #endif