[libcxx-commits] [libcxx] [libc++] <experimental/simd> Add unary operators for class simd (PR #104764)

[Nikolas Klauser via libcxx-commits]

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@@ -44,6 +58,10 @@ class simd {
 
   _LIBCPP_HIDE_FROM_ABI simd() noexcept = default;
 
+  // explicit conversion from and to implementation-defined types
+  explicit _LIBCPP_HIDE_FROM_ABI operator _Storage() const;
+  explicit _LIBCPP_HIDE_FROM_ABI simd(const _Storage& __s) : __s_(__s) {}
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philnik777 wrote:

I think we should do this with an explicit member and a constructor with a tag type instead. Otherwise people are going to start relying on it. Also, why is the conversion operator not implemented?

https://github.com/llvm/llvm-project/pull/104764