| // -*- C++ -*- |
| /*************************************************************************** |
| * |
| * _tuple_traits.h - allocator traits for <tuple> header |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 2008 Rogue Wave Software. |
| * |
| **************************************************************************/ |
| |
| #ifndef _RWSTD_RW_TUPLE_TRAITS_INCLUDED |
| # define _RWSTD_RW_TUPLE_TRAITS_INCLUDED |
| |
| # include <rw/_defs.h> |
| |
| # if !defined _RWSTD_NO_EXT_CXX_0X \ |
| && !defined _RWSTD_NO_VARIADIC_TEMPLATES |
| |
| # include <rw/_meta_help.h> // for __rw_true_type |
| |
| |
| _RWSTD_NAMESPACE (std) { |
| |
| |
| // [20.3.1.1] tuple traits |
| |
| template <class _Type, class _Alloc> |
| struct uses_allocator; |
| |
| template <class... _Types, class _Alloc> |
| struct uses_allocator<tuple<_Types...>, _Alloc> |
| : _RW::__rw_true_type |
| { |
| // empty |
| }; |
| |
| |
| template <class _Type> |
| struct constructible_with_allocator_prefix; |
| |
| template <class... _Types> |
| struct constructible_with_allocator_prefix<tuple<_Types...> > |
| : _RW::__rw_true_type |
| { |
| // empty |
| }; |
| |
| |
| } // namespace std |
| |
| |
| # endif // !defined _RWSTD_NO_EXT_CXX_0X |
| // && !defined _RWSTD_NO_VARIADIC_TEMPLATES |
| |
| #endif // _RWSTD_RW_TUPLE_TRAITS_INCLUDED |