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result_of::{copy,move,swap} are now SFINAE-friendly

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This commit is contained in:
Kohei Takahashi
2014-11-10 14:38:42 +09:00
parent 6314f1a450
commit 465c3f273b
6 changed files with 32 additions and 25 deletions
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12
include/boost/fusion/algorithm/auxiliary/copy.hpp
View File

@ -64,17 +64,15 @@ namespace boost { namespace fusion
{
template <typename Seq1, typename Seq2>
struct copy
{
typedef void type;
};
: enable_if<mpl::and_<
traits::is_sequence<Seq1>,
traits::is_sequence<Seq2>
> > {};
}
template <typename Seq1, typename Seq2>
BOOST_FUSION_GPU_ENABLED
inline typename enable_if<mpl::and_<
traits::is_sequence<Seq1>,
traits::is_sequence<Seq2>
> >::type
inline typename result_of::copy<Seq1 const, Seq2>::type
copy(Seq1 const& src, Seq2& dest)
{
BOOST_STATIC_ASSERT(

12
include/boost/fusion/algorithm/auxiliary/move.hpp
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@ -64,17 +64,15 @@ namespace boost { namespace fusion
{
template <typename Seq1, typename Seq2>
struct move
{
typedef void type;
};
: enable_if<mpl::and_<
traits::is_sequence<Seq1>,
traits::is_sequence<Seq2>
> > {};
}
template <typename Seq1, typename Seq2>
BOOST_FUSION_GPU_ENABLED
inline typename enable_if<mpl::and_<
traits::is_sequence<Seq1>,
traits::is_sequence<Seq2>
> >::type
inline typename result_of::move<Seq1, Seq2>::type
move(Seq1&& src, Seq2& dest)
{
BOOST_STATIC_ASSERT(

12
include/boost/fusion/sequence/intrinsic/swap.hpp
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@ -14,19 +14,21 @@
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/view/zip_view.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/utility/enable_if.hpp>
#include <boost/fusion/sequence/intrinsic/front.hpp>
#include <boost/fusion/sequence/intrinsic/back.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/mpl/and.hpp>
namespace boost { namespace fusion {
namespace result_of
{
template<typename Seq1, typename Seq2>
struct swap
{
typedef void type;
};
: enable_if<mpl::and_<
traits::is_sequence<Seq1>,
traits::is_sequence<Seq2>
> > {};
}
namespace detail
@ -51,7 +53,7 @@ namespace boost { namespace fusion {
template<typename Seq1, typename Seq2>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename enable_if<mpl::and_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >, void>::type
inline typename result_of::swap<Seq1, Seq2>::type
swap(Seq1& lhs, Seq2& rhs)
{
typedef vector<Seq1&, Seq2&> references;