diff options
Diffstat (limited to 'boost/move/detail/iterator_traits.hpp')
-rw-r--r-- | boost/move/detail/iterator_traits.hpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/boost/move/detail/iterator_traits.hpp b/boost/move/detail/iterator_traits.hpp new file mode 100644 index 0000000000..2c5dc3eaeb --- /dev/null +++ b/boost/move/detail/iterator_traits.hpp @@ -0,0 +1,87 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2014-2014. +// 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/move for documentation. +// +////////////////////////////////////////////////////////////////////////////// + +//! \file + +#ifndef BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP +#define BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP + +#ifndef BOOST_CONFIG_HPP +# include <boost/config.hpp> +#endif +# +#if defined(BOOST_HAS_PRAGMA_ONCE) +# pragma once +#endif + +#include <cstddef> + +#if defined(__clang__) && defined(_LIBCPP_VERSION) + #define BOOST_MOVE_CLANG_INLINE_STD_NS + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wc++11-extensions" + #define BOOST_MOVE_STD_NS_BEG _LIBCPP_BEGIN_NAMESPACE_STD + #define BOOST_MOVE_STD_NS_END _LIBCPP_END_NAMESPACE_STD +#else + #define BOOST_MOVE_STD_NS_BEG namespace std{ + #define BOOST_MOVE_STD_NS_END } +#endif + +BOOST_MOVE_STD_NS_BEG + +struct input_iterator_tag; +struct forward_iterator_tag; +struct bidirectional_iterator_tag; +struct random_access_iterator_tag; +struct output_iterator_tag; + +BOOST_MOVE_STD_NS_END + +#ifdef BOOST_MOVE_CLANG_INLINE_STD_NS + #pragma GCC diagnostic pop + #undef BOOST_MOVE_CLANG_INLINE_STD_NS +#endif //BOOST_MOVE_CLANG_INLINE_STD_NS + +namespace boost{ namespace movelib{ + +template<class Iterator> +struct iterator_traits +{ + typedef typename Iterator::difference_type difference_type; + typedef typename Iterator::value_type value_type; + typedef typename Iterator::pointer pointer; + typedef typename Iterator::reference reference; + typedef typename Iterator::iterator_category iterator_category; +}; + +template<class T> +struct iterator_traits<T*> +{ + typedef std::ptrdiff_t difference_type; + typedef T value_type; + typedef T* pointer; + typedef T& reference; + typedef std::random_access_iterator_tag iterator_category; +}; + +template<class T> +struct iterator_traits<const T*> +{ + typedef std::ptrdiff_t difference_type; + typedef T value_type; + typedef const T* pointer; + typedef const T& reference; + typedef std::random_access_iterator_tag iterator_category; +}; + +}} //namespace boost { namespace movelib{ + +#endif //#ifndef BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP |