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First part of P0600 - '[[nodiscard] in the standard library'. Mark the 'empty()' methods of all the containers as nodiscard. If you're calling empty() w/o looking at the result, you probably meanto to call 'clear()'. c++2a only

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@318269 91177308-0d34-0410-b5e6-96231b3b80d8
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Marshall Clow
2017-11-15 05:51:26 +00:00
parent 2645a49a67
commit 88626bf496
28 changed files with 493 additions and 17 deletions
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include/array
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@@ -183,7 +183,7 @@ struct _LIBCPP_TEMPLATE_VIS array
_LIBCPP_CONSTEXPR size_type size() const _NOEXCEPT {return _Size;}
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR size_type max_size() const _NOEXCEPT {return _Size;}
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT {return _Size == 0;}
// element access: