[libcxx-commits] [PATCH] D108940: [libc++][NFC] Rename _LIBCPP_NODISCARD_ATTRIBUTE to _LIBCPP_NODISCARD

Louis Dionne via Phabricator via libcxx-commits libcxx-commits at lists.llvm.org
Tue Aug 31 08:31:57 PDT 2021


ldionne added inline comments.


================
Comment at: libcxx/include/type_traits:2343
 template <class _Tp>
-_LIBCPP_NODISCARD_ATTRIBUTE _LIBCPP_INLINE_VISIBILITY constexpr
+_LIBCPP_NODISCARD _LIBCPP_INLINE_VISIBILITY constexpr
 typename make_unsigned<_Tp>::type __to_unsigned_like(_Tp __x) noexcept {
----------------
Quuxplusone wrote:
> This is the single solitary use of `_LIBCPP_NODISCARD_ATTRIBUTE` in the entire library, and I think it was a mistake. Let's just make this one `_LIBCPP_NODISCARD_EXT` for consistency. Then we can (continue to) decide what to do about `_LIBCPP_NODISCARD_EXT` in future PRs.
Thinking about it further, I don't think we even want to make this nodiscard at all. It's an internal detail of the library anyway and I don't think anyone can mistake it for a modifying operation.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108940/new/

https://reviews.llvm.org/D108940



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