[libcxx-commits] [libcxx] [libc++] Implement P0429R9 `std::flat_map` (PR #98643)

[Aaron Ballman via libcxx-commits]

AaronBallman wrote:

Thank you for this!

> The tests are based on Arthur O'Dwyer's original implementation of std::flat_map.

Are these test cases you wrote yourself or are they test cases you pulled from the original implementation?

https://github.com/llvm/llvm-project/pull/98643