llvm-project

a19d3704 - [libc++] P2944R3: Constrained comparisions - `tuple` (#145677)

[libc++] P2944R3: Constrained comparisions - `tuple` (#145677) Implements P2944R3 partially, which adds constrained comparisons `std::tuple`. The missing overloads introduced in [P2165R4](https://wg21.link/P2165R4) are not implemented. Uses [`__all`](https://github.com/llvm/llvm-project/blob/f7af33a9eb5b3876f219075023dc9c565d75849b/libcxx/include/__type_traits/conjunction.h#L45) instead of a fold expression, see comment: https://github.com/llvm/llvm-project/pull/141396#discussion_r2161166077 Relates to #136765 # References [tuple.rel](https://wg21.link//tuple.rel)