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Unordered: Use container's allocator_traits for old Visual C++.

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[SVN r77017]
This commit is contained in:
Daniel James
2012-02-14 23:55:09 +00:00
parent 08230efb44
commit 8a1a475c58
3 changed files with 23 additions and 5 deletions
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22
include/boost/unordered/detail/allocator_helpers.hpp
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@@ -31,14 +31,20 @@
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
# define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 1
# endif
#
# if defined(BOOST_MSVC) && BOOST_MSVC < 1400
# define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 2
# endif
#endif
#if !defined(BOOST_UNORDERED_USE_ALLOCATOR_TRAITS)
# define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 0
#endif
#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
# include <memory>
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 2
# include <boost/container/allocator/allocator_traits.hpp>
#endif
#if !defined(BOOST_NO_0X_HDR_TYPE_TRAITS)
@@ -201,7 +207,7 @@ namespace boost { namespace unordered { namespace detail {
// Uses the standard versions if available.
// (although untested as I don't have access to a standard version yet)
#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
template <typename Alloc>
struct allocator_traits : std::allocator_traits<Alloc> {};
@@ -213,6 +219,18 @@ namespace boost { namespace unordered { namespace detail {
template rebind_alloc<T> type;
};
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 2
template <typename Alloc>
struct allocator_traits :
boost::container::allocator_traits<Alloc> {};
template <typename Alloc, typename T>
struct rebind_wrap :
boost::container::allocator_traits<Alloc>::
template portable_rebind_alloc<T>
{};
#else
// TODO: Does this match std::allocator_traits<Alloc>::rebind_alloc<T>?