text: /*=============================================================================
      Copyright (c) 2001-2011 Joel de Guzman
      Copyright (c) 2005-2006 Dan Marsden
  
      Distributed under 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)
  ==============================================================================*/
  #if !defined(QSBOOST_FUSION_AT_IMPL_31122005_1642)
  #define QSBOOST_FUSION_AT_IMPL_31122005_1642
  
  #include <qsboost/fusion/support/config.hpp>
  #include <qsboost/mpl/at.hpp>
  
  namespace qsboost { namespace fusion 
  {
      struct mpl_sequence_tag;
  
      namespace extension
      {
          template<typename Tag>
          struct at_impl;
  
          template <>
          struct at_impl<mpl_sequence_tag>
          {
              template <typename Sequence, typename N>
              struct apply
              {
                  typedef typename mpl::at<Sequence, N>::type type;
                  
                  QSBOOST_CONSTEXPR QSBOOST_FUSION_GPU_ENABLED
                  static type
                  call(Sequence)
                  {
                      return type();
                  }
              };
          };
      }
  }}
  
  #endif
  