boost/range/const_iterator.hpp
// Boost.Range library
//
// Copyright Thorsten Ottosen 2003-2004. Use, modification and
// distribution is subject to 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)
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_CONST_ITERATOR_HPP
#define BOOST_RANGE_CONST_ITERATOR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/range/config.hpp>
#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
#include <boost/range/detail/const_iterator.hpp>
#else
#include <cstddef>
#include <utility>
namespace boost
{
//////////////////////////////////////////////////////////////////////////
// default
//////////////////////////////////////////////////////////////////////////
template< typename C >
struct range_const_iterator
{
typedef BOOST_DEDUCED_TYPENAME C::const_iterator type;
};
//////////////////////////////////////////////////////////////////////////
// pair
//////////////////////////////////////////////////////////////////////////
template< typename Iterator >
struct range_const_iterator< std::pair<Iterator,Iterator> >
{
typedef Iterator type;
};
template< typename Iterator >
struct range_const_iterator< const std::pair<Iterator,Iterator> >
{
typedef Iterator type;
};
//////////////////////////////////////////////////////////////////////////
// array
//////////////////////////////////////////////////////////////////////////
template< typename T, std::size_t sz >
struct range_const_iterator< T[sz] >
{
typedef const T* type;
};
template< typename T, std::size_t sz >
struct range_const_iterator< const T[sz] >
{
typedef const T* type;
};
//////////////////////////////////////////////////////////////////////////
// string
//////////////////////////////////////////////////////////////////////////
template<>
struct range_const_iterator< char* >
{
typedef const char* type;
};
template<>
struct range_const_iterator< wchar_t* >
{
typedef const wchar_t* type;
};
template<>
struct range_const_iterator< const char* >
{
typedef const char* type;
};
template<>
struct range_const_iterator< const wchar_t* >
{
typedef const wchar_t* type;
};
template<>
struct range_const_iterator< char* const >
{
typedef const char* type;
};
template<>
struct range_const_iterator< wchar_t* const >
{
typedef const wchar_t* type;
};
template<>
struct range_const_iterator< const char* const >
{
typedef const char* type;
};
template<>
struct range_const_iterator< const wchar_t* const >
{
typedef const wchar_t* type;
};
} // namespace boost
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
#endif