ext-boost/boost/container/detail/iterator.hpp
2019-08-24 15:39:04 +02:00

87 lines
2.5 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (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/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_DETAIL_ITERATOR_HPP
#define BOOST_CONTAINER_DETAIL_ITERATOR_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/intrusive/detail/iterator.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/container/detail/mpl.hpp>
namespace boost {
namespace container {
using ::boost::intrusive::iterator_traits;
using ::boost::intrusive::iterator_distance;
using ::boost::intrusive::iterator_advance;
using ::boost::intrusive::iterator;
using ::boost::intrusive::iterator_enable_if_tag;
using ::boost::intrusive::iterator_disable_if_tag;
using ::boost::intrusive::iterator_arrow_result;
template <class Container>
class back_emplacer
{
private:
Container& container;
public:
typedef std::output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
back_emplacer(Container& x)
: container(x)
{}
template<class U>
back_emplacer& operator=(BOOST_FWD_REF(U) value)
{
container.emplace_back(boost::forward<U>(value));
return *this;
}
back_emplacer& operator*() { return *this; }
back_emplacer& operator++() { return *this; }
back_emplacer& operator++(int){ return *this; }
};
#ifndef BOOST_CONTAINER_NO_CXX17_CTAD
template<class InputIterator>
using it_based_non_const_first_type_t = typename dtl::remove_const<typename iterator_traits<InputIterator>::value_type::first_type>::type;
template<class InputIterator>
using it_based_const_first_type_t = const typename dtl::remove_const<typename iterator_traits<InputIterator>::value_type::first_type>::type;
template<class InputIterator>
using it_based_second_type_t = typename iterator_traits<InputIterator>::value_type::second_type;
template<class InputIterator>
using it_based_value_type_t = typename iterator_traits<InputIterator>::value_type;
#endif
} //namespace container {
} //namespace boost {
#endif //#ifndef BOOST_CONTAINER_DETAIL_ITERATORS_HPP