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Const correctness fix for result_of::deref_data

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This commit is contained in:
Joel de Guzman
2014-11-19 07:54:28 +08:00
parent c65000eac8
commit c952a5c053
2 changed files with 22 additions and 3 deletions
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16
include/boost/fusion/container/map/map_iterator.hpp
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@ -12,7 +12,10 @@
#include <boost/fusion/iterator/iterator_facade.hpp>
#include <boost/mpl/minus.hpp>
#include <boost/mpl/equal_to.hpp>
#include <boost/mpl/if.hpp>
#include <boost/utility/declval.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/add_const.hpp>
namespace boost { namespace fusion
{
@ -83,11 +86,18 @@ namespace boost { namespace fusion
{
typedef typename Iterator::sequence sequence;
typedef typename Iterator::index index;
typedef decltype(boost::declval<sequence>().get(index()).second) second_type_;
typedef typename
add_reference<
decltype(boost::declval<sequence>().get(index()).second)
mpl::if_<
is_const<sequence>
, typename add_const<second_type_>::type
, second_type_
>::type
type;
second_type;
typedef typename add_reference<second_type>::type type;
BOOST_FUSION_GPU_ENABLED
static type