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-> Added new meta-utils that were duplicated in Container & Intrusive.

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-> Use some of them to avoid SFINAE instantiation errors in some old compilers.
-> Added a macro to static_cast or reinterpret_cast to rv<T> so in the future we can avoid some sanitizer errors when using static_cast
This commit is contained in:
Ion Gaztañaga committed 2015-04-12 12:26:46 +02:00
1 parent 0ebc3f4682
commit 4f9c2b62fb
6 files changed
+335 -88
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include/boost/move/utility_core.hpp
+48 -28
View File
@@ -47,24 +47,33 @@
//////////////////////////////////////////////////////////////////////////////
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value && !has_move_emulation_enabled<T>::value, T&>::type
inline typename ::boost::move_detail::enable_if_and
< T &
, enable_move_utility_emulation<T>
, has_move_emulation_disabled<T>
>::type
move(T& x) BOOST_NOEXCEPT
{
return x;
}
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value, rv<T>&>::type
inline typename ::boost::move_detail::enable_if_and
< rv<T>&
, enable_move_utility_emulation<T>
, has_move_emulation_enabled<T>
>::type
move(T& x) BOOST_NOEXCEPT
{
return *static_cast<rv<T>* >(::boost::move_detail::addressof(x));
return *BOOST_MOVE_TO_RV_CAST(::boost::rv<T>*, ::boost::move_detail::addressof(x) );
}
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value && has_move_emulation_enabled<T>::value, rv<T>&>::type
inline typename ::boost::move_detail::enable_if_and
< rv<T>&
, enable_move_utility_emulation<T>
, has_move_emulation_enabled<T>
>::type
move(rv<T>& x) BOOST_NOEXCEPT
{
return x;
@@ -77,17 +86,23 @@
//////////////////////////////////////////////////////////////////////////////
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value && ::boost::move_detail::is_rv<T>::value, T &>::type
inline typename ::boost::move_detail::enable_if_and
< T &
, enable_move_utility_emulation<T>
, ::boost::move_detail::is_rv<T>
>::type
forward(const typename ::boost::move_detail::identity<T>::type &x) BOOST_NOEXCEPT
{
return const_cast<T&>(x);
}
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value && !::boost::move_detail::is_rv<T>::value, const T &>::type
forward(const typename ::boost::move_detail::identity<T>::type &x) BOOST_NOEXCEPT
inline typename ::boost::move_detail::enable_if_and
< const T &
, enable_move_utility_emulation<T>
, ::boost::move_detail::is_not_rv<T>
>::type
forward(const typename ::boost::move_detail::identity<T>::type &x) BOOST_NOEXCEPT
{
return x;
}
@@ -99,22 +114,25 @@
//////////////////////////////////////////////////////////////////////////////
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value &&
::boost::move_detail::is_rv<T>::value
, T &>::type
inline typename ::boost::move_detail::enable_if_and
< T &
, enable_move_utility_emulation<T>
, ::boost::move_detail::is_rv<T>
>::type
move_if_not_lvalue_reference(const typename ::boost::move_detail::identity<T>::type &x) BOOST_NOEXCEPT
{
return const_cast<T&>(x);
}
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value &&
!::boost::move_detail::is_rv<T>::value &&
(::boost::move_detail::is_lvalue_reference<T>::value ||
!has_move_emulation_enabled<T>::value)
, typename ::boost::move_detail::add_lvalue_reference<T>::type
inline typename ::boost::move_detail::enable_if_and
< typename ::boost::move_detail::add_lvalue_reference<T>::type
, enable_move_utility_emulation<T>
, ::boost::move_detail::is_not_rv<T>
, ::boost::move_detail::or_
< ::boost::move_detail::is_lvalue_reference<T>
, has_move_emulation_disabled<T>
>
>::type
move_if_not_lvalue_reference(typename ::boost::move_detail::remove_reference<T>::type &x) BOOST_NOEXCEPT
{
@@ -122,12 +140,14 @@
}
template <class T>
inline typename ::boost::move_detail::enable_if_c
< enable_move_utility_emulation<T>::value &&
!::boost::move_detail::is_rv<T>::value &&
(!::boost::move_detail::is_lvalue_reference<T>::value &&
has_move_emulation_enabled<T>::value)
, rv<T>&
inline typename ::boost::move_detail::enable_if_and
< rv<T>&
, enable_move_utility_emulation<T>
, ::boost::move_detail::is_not_rv<T>
, ::boost::move_detail::and_
< ::boost::move_detail::not_< ::boost::move_detail::is_lvalue_reference<T> >
, has_move_emulation_enabled<T>
>
>::type
move_if_not_lvalue_reference(typename ::boost::move_detail::remove_reference<T>::type &x) BOOST_NOEXCEPT
{