| /* Copyright 2003-2015 Joaquin M Lopez Munoz. |
| * 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) |
| * |
| * See http://www.boost.org/libs/multi_index for library home page. |
| */ |
| |
| #ifndef BOOST_MULTI_INDEX_DETAIL_RAW_PTR_HPP |
| #define BOOST_MULTI_INDEX_DETAIL_RAW_PTR_HPP |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ |
| #include <boost/mpl/bool.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| |
| namespace boost{ |
| |
| namespace multi_index{ |
| |
| namespace detail{ |
| |
| /* gets the underlying pointer of a pointer-like value */ |
| |
| template<typename RawPointer> |
| inline RawPointer raw_ptr(RawPointer const& p,mpl::true_) |
| { |
| return p; |
| } |
| |
| template<typename RawPointer,typename Pointer> |
| inline RawPointer raw_ptr(Pointer const& p,mpl::false_) |
| { |
| return p==Pointer(0)?0:&*p; |
| } |
| |
| template<typename RawPointer,typename Pointer> |
| inline RawPointer raw_ptr(Pointer const& p) |
| { |
| return raw_ptr<RawPointer>(p,is_same<RawPointer,Pointer>()); |
| } |
| |
| } /* namespace multi_index::detail */ |
| |
| } /* namespace multi_index */ |
| |
| } /* namespace boost */ |
| |
| #endif |
