/* 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