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Implement LWG#2778: basic_string_view is missing constexpr.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292823 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-01-23 19:53:28 +00:00
parent 6111e65cba
commit fbe68a68ab
3 changed files with 57 additions and 7 deletions
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10
include/string_view
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@@ -206,7 +206,7 @@ public:
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view(const basic_string_view&) _NOEXCEPT = default;
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default;
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
@@ -235,16 +235,16 @@ public:
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT { return __data + __size; }
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
// [string.view.capacity], capacity