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Implement n3584 - Addressing Tuples by Type

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186237 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2013-07-13 02:54:05 +00:00
parent ef7a7b730c
commit e8029e54f1
11 changed files with 387 additions and 0 deletions
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54
include/utility
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@@ -117,6 +117,15 @@ template<size_t I, class T1, class T2>
typename tuple_element<I, std::pair<T1, T2> >::type&&
get(std::pair<T1, T2>&&) noexcept;
template<class T1, class T2>
constexpr T1& get(std::pair<T1, T2>&) noexcept; // C++14
template<size_t I, class T1, class T2>
constexpr T1 const& get(std::pair<T1, T2> const &) noexcept; // C++14
template<size_t I, class T1, class T2>
constexpr T1&& get(std::pair<T1, T2>&&) noexcept; // C++14
// C++14
template<class T, T... I>
@@ -601,6 +610,51 @@ get(pair<_T1, _T2>&& __p) _NOEXCEPT
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#if _LIBCPP_STD_VER > 11
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 & get(pair<_T1, _T2>& __p) _NOEXCEPT
{
return __get_pair<0>::get(__p);
}
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 const & get(pair<_T1, _T2> const& __p) _NOEXCEPT
{
return __get_pair<0>::get(__p);
}
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 && get(pair<_T1, _T2>&& __p) _NOEXCEPT
{
return __get_pair<0>::get(_VSTD::move(__p));
}
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 & get(pair<_T2, _T1>& __p) _NOEXCEPT
{
return __get_pair<1>::get(__p);
}
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 const & get(pair<_T2, _T1> const& __p) _NOEXCEPT
{
return __get_pair<1>::get(__p);
}
template <class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
constexpr _T1 && get(pair<_T2, _T1>&& __p) _NOEXCEPT
{
return __get_pair<1>::get(_VSTD::move(__p));
}
#endif
#if _LIBCPP_STD_VER > 11
template<class _Tp, _Tp... _Ip>