[libcxx-commits] [libcxx] [libc++] mark `std::expected` as `nodiscard` (PR #130820)

[A. Jiang via libcxx-commits]

================
@@ -58,7 +58,7 @@ _LIBCPP_PUSH_MACROS
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp, class _Err>
-class expected;
+class [[nodiscrad]] expected;
----------------
frederick-vs-ja wrote:

Yes. I don't think this header (providing C++23 features, but in the frozen `__cxx03` subdirectory) should ever be used.

https://github.com/llvm/llvm-project/pull/130820