Exheredludis/paludis/util/remove_shared_ptr.hh
2010-07-22 18:54:57 +01:00

89 lines
2.3 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2007, 2008, 2009 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH
#define PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH 1
#include <memory>
namespace paludis
{
/**
* Like std::remove_pointer for std::shared_ptr.
*
* \ingroup g_utils
*/
template <typename T_>
struct RemoveSharedPtr
{
/// T_ with the std::shared_ptr removed.
typedef T_ Type;
};
/**
* Like std::remove_pointer for std::shared_ptr.
*
* \ingroup g_utils
*/
template <typename T_>
struct RemoveSharedPtr<std::shared_ptr<T_> >
{
/// T_ with the std::shared_ptr removed.
typedef T_ Type;
};
/**
* Like std::remove_pointer for std::shared_ptr.
*
* \ingroup g_utils
*/
template <typename T_>
struct RemoveSharedPtr<std::shared_ptr<const T_> >
{
/// T_ with the std::shared_ptr removed.
typedef const T_ Type;
};
/**
* Like std::remove_pointer for std::shared_ptr.
*
* \ingroup g_utils
*/
template <typename T_>
struct RemoveSharedPtr<const T_>
{
/// T_ with the std::shared_ptr removed.
typedef const typename RemoveSharedPtr<T_>::Type Type;
};
/**
* Like std::remove_pointer for std::shared_ptr.
*
* \ingroup g_utils
*/
template <typename T_>
struct RemoveSharedPtr<T_ &>
{
/// T_ with the std::shared_ptr removed.
typedef typename RemoveSharedPtr<T_>::Type Type;
};
}
#endif