[libcxx-commits] [libcxx] [libc++] Add `ranges::fold_left_first` and ranges::`fold_left_first_with_iter` (PR #121558)

[A. Jiang via libcxx-commits]

https://github.com/frederick-vs-ja commented:

Thanks! Mostly LGTM!

https://github.com/llvm/llvm-project/pull/121558