1 // Boost.Range library 2 // 3 // Copyright Thorsten Ottosen 2003-2004. Use, modification and 4 // distribution is subject to the Boost Software License, Version 5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at 6 // http://www.boost.org/LICENSE_1_0.txt) 7 // 8 // For more information, see http://www.boost.org/libs/range/ 9 // 10 11 #ifndef BOOST_RANGE_ITERATOR_HPP 12 #define BOOST_RANGE_ITERATOR_HPP 13 14 #if defined(_MSC_VER) 15 # pragma once 16 #endif 17 18 #include <boost/range/config.hpp> 19 #include <boost/range/range_fwd.hpp> 20 #include <boost/range/mutable_iterator.hpp> 21 #include <boost/range/const_iterator.hpp> 22 #include <boost/type_traits/is_const.hpp> 23 #include <boost/type_traits/remove_const.hpp> 24 #include <boost/mpl/eval_if.hpp> 25 26 namespace boost 27 { 28 29 #if BOOST_WORKAROUND(BOOST_MSVC, == 1310) 30 31 namespace range_detail_vc7_1 32 { 33 template< typename C, typename Sig = void(C) > 34 struct range_iterator 35 { 36 typedef BOOST_RANGE_DEDUCED_TYPENAME 37 mpl::eval_if_c< is_const<C>::value, 38 range_const_iterator< typename remove_const<C>::type >, 39 range_mutable_iterator<C> >::type type; 40 }; 41 42 template< typename C, typename T > 43 struct range_iterator< C, void(T[]) > 44 { 45 typedef T* type; 46 }; 47 } 48 49 template< typename C, typename Enabler=void > 50 struct range_iterator 51 { 52 53 typedef BOOST_RANGE_DEDUCED_TYPENAME 54 range_detail_vc7_1::range_iterator<C>::type type; 55 56 }; 57 58 #else 59 60 template< typename C, typename Enabler=void > 61 struct range_iterator 62 : mpl::if_c< 63 is_const<typename remove_reference<C>::type>::value, 64 range_const_iterator<typename remove_const<typename remove_reference<C>::type>::type>, 65 range_mutable_iterator<typename remove_reference<C>::type> 66 >::type 67 { 68 }; 69 70 #endif 71 72 } // namespace boost 73 74 #endif 75