On Sun, 29 Jul 2018 at 01:21, Ville Voutilainen <ville.voutilainen_at_[hidden]>
wrote:

> Hi! It seems reasonable to enable spaceship operator support
> for 3rd party types conditionally. See
> https://codereview.qt-project.org/#/c/235303/


I agree.

Perhaps __cpp_spaceship and __cpp_lib_spaceship,
> for the language feature and the library support, respectively?
>

I think I would weakly prefer __cpp_three_way_comparison /
__cpp_lib_three_way_comparison.