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Implement LWG issue 2301: Mark std::tie as constexpr

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@202158 91177308-0d34-0410-b5e6-96231b3b80d8
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Marshall Clow
2014-02-25 16:11:46 +00:00
parent 4ffb67eca5
commit 8e554d93da
3 changed files with 12 additions and 3 deletions
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4
include/tuple
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@@ -74,7 +74,7 @@ const unspecified ignore;
template <class... T> tuple<V...> make_tuple(T&&...); // constexpr in C++14
template <class... T> tuple<ATypes...> forward_as_tuple(T&&...) noexcept; // constexpr in C++14
template <class... T> tuple<T&...> tie(T&...) noexcept;
template <class... T> tuple<T&...> tie(T&...) noexcept; // constexpr in C++14
template <class... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls); // constexpr in C++14
// 20.4.1.4, tuple helper classes:
@@ -796,7 +796,7 @@ constexpr _T1&& get(tuple<_Args...>&& __tup) noexcept
// tie
template <class ..._Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
tuple<_Tp&...>
tie(_Tp&... __t) _NOEXCEPT
{