// 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_DETAIL_CONST_ITERATOR_HPP #define BOOST_RANGE_DETAIL_CONST_ITERATOR_HPP #include <boost/range/detail/common.hpp> #include <boost/range/detail/remove_extent.hpp> ////////////////////////////////////////////////////////////////////////////// // missing partial specialization workaround. ////////////////////////////////////////////////////////////////////////////// namespace boost { namespace range_detail { template< typename T > struct range_const_iterator_; template<> struct range_const_iterator_<std_container_> { template< typename C > struct pts { typedef BOOST_RANGE_DEDUCED_TYPENAME C::const_iterator type; }; }; template<> struct range_const_iterator_<std_pair_> { template< typename P > struct pts { typedef BOOST_RANGE_DEDUCED_TYPENAME P::first_type type; }; }; template<> struct range_const_iterator_<array_> { template< typename T > struct pts { typedef const BOOST_RANGE_DEDUCED_TYPENAME remove_extent<T>::type* type; }; }; } template< typename C > class range_const_iterator { typedef BOOST_DEDUCED_TYPENAME range_detail::range<C>::type c_type; public: typedef BOOST_DEDUCED_TYPENAME range_detail::range_const_iterator_<c_type>::BOOST_NESTED_TEMPLATE pts<C>::type type; }; } #endif