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Make std::get constexpr

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2013-07-17 18:25:36 +00:00
parent f7777e8554
commit 8fc4f5a251
12 changed files with 299 additions and 51 deletions
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24
include/utility
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@@ -107,15 +107,15 @@ template <class T1, class T2> struct tuple_element<1, std::pair<T1, T2> >;
template<size_t I, class T1, class T2>
typename tuple_element<I, std::pair<T1, T2> >::type&
get(std::pair<T1, T2>&) noexcept;
get(std::pair<T1, T2>&) noexcept; // constexpr in C++14
template<size_t I, class T1, class T2>
const typename const tuple_element<I, std::pair<T1, T2> >::type&
get(const std::pair<T1, T2>&) noexcept;
get(const std::pair<T1, T2>&) noexcept; // constexpr in C++14
template<size_t I, class T1, class T2>
typename tuple_element<I, std::pair<T1, T2> >::type&&
get(std::pair<T1, T2>&&) noexcept;
get(std::pair<T1, T2>&&) noexcept; // constexpr in C++14
template<class T1, class T2>
constexpr T1& get(std::pair<T1, T2>&) noexcept; // C++14
@@ -546,13 +546,13 @@ struct __get_pair<0>
{
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_T1&
get(pair<_T1, _T2>& __p) _NOEXCEPT {return __p.first;}
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const _T1&
get(const pair<_T1, _T2>& __p) _NOEXCEPT {return __p.first;}
@@ -560,7 +560,7 @@ struct __get_pair<0>
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_T1&&
get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _VSTD::forward<_T1>(__p.first);}
@@ -572,13 +572,13 @@ struct __get_pair<1>
{
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_T2&
get(pair<_T1, _T2>& __p) _NOEXCEPT {return __p.second;}
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const _T2&
get(const pair<_T1, _T2>& __p) _NOEXCEPT {return __p.second;}
@@ -586,7 +586,7 @@ struct __get_pair<1>
template <class _T1, class _T2>
static
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_T2&&
get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _VSTD::forward<_T2>(__p.second);}
@@ -594,7 +594,7 @@ struct __get_pair<1>
};
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
_LIBCPP_INLINE_VISIBILITY inline _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, pair<_T1, _T2> >::type&
get(pair<_T1, _T2>& __p) _NOEXCEPT
{
@@ -602,7 +602,7 @@ get(pair<_T1, _T2>& __p) _NOEXCEPT
}
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
_LIBCPP_INLINE_VISIBILITY inline _LIBCPP_CONSTEXPR_AFTER_CXX11
const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
get(const pair<_T1, _T2>& __p) _NOEXCEPT
{
@@ -612,7 +612,7 @@ get(const pair<_T1, _T2>& __p) _NOEXCEPT
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY inline
_LIBCPP_INLINE_VISIBILITY inline _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
get(pair<_T1, _T2>&& __p) _NOEXCEPT
{