[libcxx-commits] [libcxx] [libc++][format] Propagate `m` when formatting range elements (PR #94562)

[Mark de Wever via libcxx-commits]

mordante wrote:

Thanks for the patch. I haven't had time to investigate the example `std::format("{:m:n}", std::vector{std::pair{0, "hello"}});` should do, which effectively sets both the option 'n' and 'm'. I hope to have time to look at it soon.

https://github.com/llvm/llvm-project/pull/94562