// 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