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Moved align_t inside union.

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[SVN r18674]
This commit is contained in:
Eric Friedman
2003-06-05 05:15:04 +00:00
parent 3706d50459
commit 26b87b8ca0
1 changed files with 11 additions and 16 deletions
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27
include/boost/aligned_storage.hpp
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@ -38,17 +38,22 @@ BOOST_STATIC_CONSTANT(
template <
std::size_t size_
, std::size_t alignment_ = -1
, std::size_t alignment_ = std::size_t(-1)
>
class aligned_storage
{
private: // helpers, for representation (below)
private: // representation
typedef typename mpl::apply_if_c<
alignment_ == -1
union data_t
{
char buf[size_];
BOOST_DEDUCED_TYPENAME mpl::apply_if_c<
alignment_ == std::size_t(-1)
, mpl::identity<detail::max_align>
, type_with_alignment<alignment_>
>::type align_t;
> align_;
} data_;
public: // constants
@ -59,22 +64,12 @@ public: // constants
BOOST_STATIC_CONSTANT(
std::size_t
, alignment = (
alignment_ == -1
alignment_ == std::size_t(-1)
? detail::alignment_of_max_align
: alignment_
)
);
private: // representation
union data_t
{
char buf[size];
align_t dummy_;
} data_;
friend union data_t;
#if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(2))
public: // _should_ be noncopyable, but GCC compiler emits error