| // functional_hash.h header -*- C++ -*- |
| |
| // Copyright (C) 2007, 2009 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library 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. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file bits/functional_hash.h |
| * This is an internal header file, included by other library headers. |
| * You should not attempt to use it directly. |
| */ |
| |
| #ifndef _FUNCTIONAL_HASH_H |
| #define _FUNCTIONAL_HASH_H 1 |
| |
| #pragma GCC system_header |
| |
| #ifndef __GXX_EXPERIMENTAL_CXX0X__ |
| # include <c++0x_warning.h> |
| #endif |
| |
| #if defined(_GLIBCXX_INCLUDE_AS_TR1) |
| # error C++0x header cannot be included from TR1 header |
| #endif |
| |
| #if defined(_GLIBCXX_INCLUDE_AS_CXX0X) |
| # include <tr1_impl/functional_hash.h> |
| #else |
| # define _GLIBCXX_INCLUDE_AS_CXX0X |
| # define _GLIBCXX_BEGIN_NAMESPACE_TR1 |
| # define _GLIBCXX_END_NAMESPACE_TR1 |
| # define _GLIBCXX_TR1 |
| # include <tr1_impl/functional_hash.h> |
| # undef _GLIBCXX_TR1 |
| # undef _GLIBCXX_END_NAMESPACE_TR1 |
| # undef _GLIBCXX_BEGIN_NAMESPACE_TR1 |
| # undef _GLIBCXX_INCLUDE_AS_CXX0X |
| #endif |
| |
| |
| namespace std |
| { |
| struct error_code; |
| |
| template<> |
| size_t |
| hash<error_code>::operator()(error_code) const; |
| } |
| |
| #endif // _FUNCTIONAL_HASH_H |
| |
