[libcxx-commits] [libcxx] [libc++][NFC] Create and use test-defined simple_view concept (PR #77334)

[Christopher Di Bella via libcxx-commits]

https://github.com/cjdb approved this pull request.

LGTM pending my one comment. Thanks for taking the initiative on this!

https://github.com/llvm/llvm-project/pull/77334