[libcxx-commits] [libcxx] [libc++] [string_view] Remove operators made redundant by C++20 (PR #66206)

[Louis Dionne via libcxx-commits]

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@@ -776,7 +776,35 @@ template <ranges::contiguous_range _Range>
 #endif
 
 // [string.view.comparison]
+
+#if _LIBCPP_STD_VER >= 20
+
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ldionne wrote:

Let's regroup all the C++ >= 20 definitions into the same block. There's a bunch of those below. There's also conditions that can be simplified now, e.g. some `#if _LIBCPP_STD_VER < 20` that would be made tautological since they'd be in the `#else`.

https://github.com/llvm/llvm-project/pull/66206