boost/range/mutable_iterator.hpp

   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_MUTABLE_ITERATOR_HPP
  12 #define BOOST_RANGE_MUTABLE_ITERATOR_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif
  17
  18 #include <boost/range/config.hpp>
  19
  20 #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  21 #include <boost/range/detail/iterator.hpp>
  22 #else
  23
  24 #include <boost/iterator/iterator_traits.hpp>
  25 #include <cstddef>
  26 #include <utility>
  27
  28 namespace boost
  29 {
  30     //////////////////////////////////////////////////////////////////////////
  31     // default
  32     //////////////////////////////////////////////////////////////////////////
  33
  34     template< typename C >
  35     struct range_mutable_iterator
  36     {
  37         typedef BOOST_DEDUCED_TYPENAME C::iterator type;
  38     };
  39
  40     //////////////////////////////////////////////////////////////////////////
  41     // pair
  42     //////////////////////////////////////////////////////////////////////////
  43
  44     template< typename Iterator >
  45     struct range_mutable_iterator< std::pair<Iterator,Iterator> >
  46     {
  47         typedef Iterator type;
  48     };
  49
  50     //////////////////////////////////////////////////////////////////////////
  51     // array
  52     //////////////////////////////////////////////////////////////////////////
  53
  54     template< typename T, std::size_t sz >
  55     struct range_mutable_iterator< T[sz] >
  56     {
  57         typedef T* type;
  58     };
  59
  60 } // namespace boost
  61
  62 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  63
  64 #endif