Method deleter

extern/boost/boost/move/unique_ptr.hpp:109–113

   template <class U>
   BOOST_MOVE_FORCEINLINE unique_ptr_data(P p, BOOST_FWD_REF(U) d1) BOOST_NOEXCEPT
      : m_p(p), d(::boost::forward<U>(d1))
   {}

   BOOST_MOVE_FORCEINLINE del_ref deleter()       { return d; }
   BOOST_MOVE_FORCEINLINE del_cref deleter() const{ return d; }

   P m_p;