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3rdparty/boost_1_81_0/boost/range/iterator.hpp 1.93 KB
0b6a182c   Hu Chunming   添加无鉴权注册和注销
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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