53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
/* 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
|