Sprout/sprout/iterator/detail/iterator_base.hpp
2019-01-07 17:47:17 +09:00

40 lines
1.7 KiB
C++

/*=============================================================================
Copyright (c) 2011-2019 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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)
=============================================================================*/
#ifndef SPROUT_ITERATOR_DETAIL_ITERATOR_BASE_HPP
#define SPROUT_ITERATOR_DETAIL_ITERATOR_BASE_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/iterator.hpp>
#include <sprout/utility/use_default.hpp>
namespace sprout {
namespace detail {
template<
typename Iterator,
typename Category = sprout::use_default,
typename T = sprout::use_default,
typename Distance = sprout::use_default,
typename Pointer = sprout::use_default,
typename Reference = sprout::use_default
>
struct iterator_base
: public sprout::identity<
sprout::iterator<
typename sprout::select_default<Category, typename std::iterator_traits<Iterator>::iterator_category>::type,
typename sprout::select_default<T, typename std::iterator_traits<Iterator>::value_type>::type,
typename sprout::select_default<Distance, typename std::iterator_traits<Iterator>::difference_type>::type,
typename sprout::select_default<Pointer, typename std::iterator_traits<Iterator>::pointer>::type,
typename sprout::select_default<Reference, typename std::iterator_traits<Iterator>::reference>::type
>
>
{};
} // namespace detail
} // namespace sprout
#endif // #ifndef SPROUT_ITERATOR_DETAIL_ITERATOR_BASE_HPP