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Added emplace optimization specializations for compilers with rvalue references but without variadic templates (e.g. MSVC10&11)

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Ion Gaztañaga
2014-08-03 11:09:54 +02:00
parent 90be67e81f
commit fab3df0a04
1 changed files with 36 additions and 2 deletions
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38
include/boost/container/detail/advanced_insert_int.hpp
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@@ -386,6 +386,8 @@ struct BOOST_PP_CAT(insert_emplace_proxy_arg, N)
#define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS)
#include BOOST_PP_LOCAL_ITERATE()
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
//Specializations to avoid an unneeded temporary when emplacing from a single argument o type value_type
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, ::boost::rv<typename boost::container::allocator_traits<A>::value_type> >
@@ -404,7 +406,37 @@ struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocat
: insert_copy_proxy<A, Iterator>(v)
{}
};
/*
#else //e.g. MSVC10 & MSVC11
//Specializations to avoid an unneeded temporary when emplacing from a single argument o type value_type
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocator_traits<A>::value_type>
: public insert_move_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(typename boost::container::allocator_traits<A>::value_type &&v)
: insert_move_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocator_traits<A>::value_type &>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, const typename boost::container::allocator_traits<A>::value_type &>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, const typename boost::container::allocator_traits<A>::value_type>
: public insert_copy_proxy<A, Iterator>
@@ -413,7 +445,9 @@ struct insert_emplace_proxy_arg1<A, Iterator, const typename boost::container::a
: insert_copy_proxy<A, Iterator>(v)
{}
};
*/
#endif
}}} //namespace boost { namespace container { namespace container_detail {
#endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING