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allow boolean traits implementations to use std::true_type and std::false_type

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[SVN r79131]
This commit is contained in:
Eric Niebler
2012-06-27 04:27:50 +00:00
parent 191a3d75ed
commit 85583b5ea9
3 changed files with 15 additions and 7 deletions
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7
include/boost/fusion/support/is_view.hpp
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@ -7,6 +7,7 @@
#if !defined(FUSION_IS_VIEW_03202006_0015)
#define FUSION_IS_VIEW_03202006_0015
#include <boost/mpl/bool.hpp>
#include <boost/fusion/support/detail/is_view.hpp>
#include <boost/fusion/support/tag_of.hpp>
@ -54,8 +55,10 @@ namespace boost { namespace fusion
{
template <typename T>
struct is_view :
extension::is_view_impl<typename fusion::detail::tag_of<T>::type>::
template apply<T>::type
mpl::bool_<
(bool)extension::is_view_impl<typename fusion::detail::tag_of<T>::type>::
template apply<T>::type::value
>
{};
}
}}