| // Copyright Peter Dimov and David Abrahams 2002. |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| #ifndef GET_POINTER_DWA20021219_HPP |
| #define GET_POINTER_DWA20021219_HPP |
| |
| #include <boost/config.hpp> |
| |
| // In order to avoid circular dependencies with Boost.TR1 |
| // we make sure that our include of <memory> doesn't try to |
| // pull in the TR1 headers: that's why we use this header |
| // rather than including <memory> directly: |
| #include <boost/config/no_tr1/memory.hpp> // std::auto_ptr |
| |
| namespace boost { |
| |
| // get_pointer(p) extracts a ->* capable pointer from p |
| |
| template<class T> T * get_pointer(T * p) |
| { |
| return p; |
| } |
| |
| // get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp |
| |
| template<class T> T * get_pointer(std::auto_ptr<T> const& p) |
| { |
| return p.get(); |
| } |
| |
| #if !defined( BOOST_NO_CXX11_SMART_PTR ) |
| |
| template<class T> T * get_pointer( std::unique_ptr<T> const& p ) |
| { |
| return p.get(); |
| } |
| |
| template<class T> T * get_pointer( std::shared_ptr<T> const& p ) |
| { |
| return p.get(); |
| } |
| |
| #endif |
| |
| } // namespace boost |
| |
| #endif // GET_POINTER_DWA20021219_HPP |