range/iterator.hpp

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// 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_ITERATOR_HPP
#define BOOST_RANGE_ITERATOR_HPP
 
#if defined(_MSC_VER)
# pragma once
#endif
 
#include <boost/range/config.hpp>
#include <boost/range/range_fwd.hpp>
#include <boost/range/mutable_iterator.hpp>
#include <boost/range/const_iterator.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/mpl/eval_if.hpp>
 
namespace boost
{
 
#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)  
 
    namespace range_detail_vc7_1  
    {  
       template< typename C, typename Sig = void(C) >  
       struct range_iterator  
       {  
           typedef BOOST_RANGE_DEDUCED_TYPENAME   
               mpl::eval_if_c< is_const<C>::value,   
                               range_const_iterator< typename remove_const<C>::type >,  
                               range_mutable_iterator<C> >::type type;  
       };  
    
       template< typename C, typename T >  
       struct range_iterator< C, void(T[]) >  
       {  
           typedef T* type;  
       };       
    }  
    
    template< typename C, typename Enabler=void >
    struct range_iterator
    {
 
        typedef BOOST_RANGE_DEDUCED_TYPENAME  
               range_detail_vc7_1::range_iterator<C>::type type;  
 
    };
 
#else
 
    template< typename C, typename Enabler=void >
    struct range_iterator
      : mpl::if_c<
            is_const<typename remove_reference<C>::type>::value,
            range_const_iterator<typename remove_const<typename remove_reference<C>::type>::type>,
            range_mutable_iterator<typename remove_reference<C>::type>
        >::type
    {
    };
 
#endif
 
} // namespace boost
 
#endif