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//////////////////////////////////////////////////////////////////////////////
// (C) Copyright John Maddock 2000.
// (C) Copyright Ion Gaztanaga 2005-2011.
//
// 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/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTERPROCESS_DETAIL_TYPE_TRAITS_HPP
#define BOOST_INTERPROCESS_DETAIL_TYPE_TRAITS_HPP
#if (defined _MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/interprocess/detail/config_begin.hpp>
namespace boost {
namespace interprocess {
namespace ipcdetail {
struct nat{};
template<class T>
struct remove_reference
{
typedef T type;
};
template<class T>
struct remove_reference<T&>
{
typedef T type;
};
template<class T>
struct is_reference
{
static const bool value = false;
};
template<class T>
struct is_reference<T&>
{
static const bool value = true;
};
template<class T>
struct is_pointer
{
static const bool value = false;
};
template<class T>
struct is_pointer<T*>
{
static const bool value = true;
};
template <typename T>
struct add_reference
{
typedef T& type;
};
template<class T>
struct add_reference<T&>
{
typedef T& type;
};
template<>
struct add_reference<void>
{
typedef nat &type;
};
template<>
struct add_reference<const void>
{
typedef const nat &type;
};
template <class T>
struct add_const_reference
{ typedef const T &type; };
template <class T>
struct add_const_reference<T&>
{ typedef T& type; };
template<class T>
struct remove_const
{
typedef T type;
};
template<class T>
struct remove_const<const T>
{
typedef T type;
};
template<class T>
struct remove_volatile
{
typedef T type;
};
template<class T>
struct remove_volatile<volatile T>
{
typedef T type;
};
template <typename T, typename U>
struct is_same
{
typedef char yes_type;
struct no_type
{
char padding[8];
};
template <typename V>
static yes_type is_same_tester(V*, V*);
static no_type is_same_tester(...);
static T *t;
static U *u;
static const bool value = sizeof(yes_type) == sizeof(is_same_tester(t,u));
};
} // namespace ipcdetail
} //namespace interprocess {
} //namespace boost {
#include <boost/interprocess/detail/config_end.hpp>
#endif //#ifndef BOOST_INTERPROCESS_DETAIL_TYPE_TRAITS_HPP
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