[libcxx-commits] [libcxx] [libc++] Have `basic_string` call `basic_string_view`'s assume-valid constructor (PR #105441)

[Louis Dionne via libcxx-commits]

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@@ -689,6 +689,9 @@ private:
 
   const value_type* __data_;
   size_type __size_;
+
+  template<class, class, class>
+  friend class basic_string;
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ldionne wrote:

I think I would, in case we declare it with attributes or something like that. It would be nice for the "canonical" declaration to always be included. It's already included transitively right now anyway, but I'd rather be intentional about it.

https://github.com/llvm/llvm-project/pull/105441