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Implement LWG Issue: 2280. begin/end for arrays should be constexpr and noexcept, plus a drive-by fix for cbegin/cend suggested by Peter Sommerlad.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@201703 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2014-02-19 17:53:30 +00:00
parent 9d9463a355
commit 9dacb2f713
2 changed files with 29 additions and 7 deletions
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12
include/iterator
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@@ -1386,7 +1386,7 @@ operator+(typename __wrap_iter<_Iter>::difference_type __n,
}
template <class _Tp, size_t _Np>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp*
begin(_Tp (&__array)[_Np])
{
@@ -1394,7 +1394,7 @@ begin(_Tp (&__array)[_Np])
}
template <class _Tp, size_t _Np>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp*
end(_Tp (&__array)[_Np])
{
@@ -1466,17 +1466,17 @@ reverse_iterator<const _Ep*> rend(initializer_list<_Ep> __il)
}
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
auto cbegin(const _Cp& __c) -> decltype(begin(__c))
{
return _VSTD::begin(__c);
return begin(__c);
}
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
auto cend(const _Cp& __c) -> decltype(end(__c))
{
return _VSTD::end(__c);
return end(__c);
}
template <class _Cp>