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

[Louis Dionne via libcxx-commits]

https://github.com/ldionne commented:

This seems reasonable but I'd like @Zingam to take a look since he's done a lot of our support for `operator<=>`.

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