[libcxx-commits] [libcxx] [libc++] Implement P2538R1 "ADL-proof std::projected" (PR #65411)

[Louis Dionne via libcxx-commits]

ldionne wrote:

> LGTM but I would like to see the tests backported to all the dialects where projected is available.

I'll test *our* implementation in all standard modes, but I won't make the tests unconditional on the standard version. This is a c++26 paper, so a conforming C++20 or C++23 implementation should be able to pass our test suite without implementing that paper.

https://github.com/llvm/llvm-project/pull/65411