#if ! defined BOOST_NO_CXX11_DELETED_FUNCTIONS

MovableButNonCopyable(MovableButNonCopyable const&) = delete;

MovableButNonCopyable& operator=(MovableButNonCopyable const&) = delete;

#else

MovableButNonCopyable(MovableButNonCopyable const&);

MovableButNonCopyable& operator=(MovableButNonCopyable const&);

#endif

MovableButNonCopyable() {};

MovableButNonCopyable(MovableButNonCopyable&&) {};

MovableButNonCopyable& operator=(MovableButNonCopyable&&)

{

return *this;

};

{

boost::packaged_task<MovableButNonCopyable> pt(construct);

pt();

return 0;