[libcxx-commits] [libcxx] [libc++][NFC] Centralize test for support of == and != in ranges (PR #78481)

[Konstantin Varlamov via libcxx-commits]

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@@ -94,4 +96,13 @@ concept CanBePiped = requires(View&& view, T&& t) {
   { std::forward<View>(view) | std::forward<T>(t) };
 };
 
+template <class T, class U>
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var-const wrote:

Can you please readd the comment that shows this is a standard (exposition-only) concept?

https://github.com/llvm/llvm-project/pull/78481