[libcxx-commits] [libcxx] [libcxx] P2278R4: implement `{basic_, }const_iterator`, and have `cbegin` et. al. return it (PR #99915)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

Thanks for the patch! I left some comments after my initial review. I am still a bit confused by the DR and partial implementation of this paper, so please bear with me if some of my questions seem dumb :-).

https://github.com/llvm/llvm-project/pull/99915