[libcxx-commits] [libcxx] [libc++][spaceship] Implements X::iterator container requirements. (PR #99343)

[Louis Dionne via libcxx-commits]

================
@@ -396,6 +398,30 @@ public:
     return !(__x < __y);
   }
 
+#if _LIBCPP_STD_VER >= 20
+  //  template <class _Tp = void>
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ldionne wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/99343