On Wed, 12 Jan 2022, 22:46 Jens Maurer via SG10, <sg10_at_[hidden]>
wrote:

> On 12/01/2022 21.34, Barry Revzin via SG10 wrote:
> > Strong preference for 2.
>
> Agreed. This is a relatively minor upgrade
> to the existing ranges stuff and not really
> a fresh, clearly separable feature (such as
> a new algorithm).
>

Another vote for 2 here.



> Jens
>
>
> > As I pointed out in the telecon, __cpp_lib_ranges has already been
> bumped twice for changes to basic concepts (
> https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#__cpp_lib_ranges
> <
> https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#__cpp_lib_ranges>)
> that were both much larger than this: dropping the default constructor
> requirement (P2325) and clarify the O(1) rule and adding owning_view
> (P2415).
> >
> > I don't think we have any other changes in flight for __cpp_lib_ranges
> that would conflict with this either.
> >
> > Barry
> >
> > On Wed, Jan 12, 2022 at 1:36 PM Michał Dominiak via SG10 <
> sg10_at_[hidden] <mailto:sg10_at_[hidden]>> wrote:
> >
> > Hello, SG10!
> >
> > When P2494 <http://wg21.link/P2494> was being discussed in LEWG,
> there were two competing directions for how to handle its feature test
> macro:
> >
> > 1. introduce a new feature test macro that indicates this feature
> specifically; and
> > 2. bump __cpp_lib_ranges, since other features in flight for ranges
> have their own feature test macros.
> >
> > LEWG requested that I ask this group for a recommendation.
> Personally I'm leaning towards option number 1, since it feels cleaner to
> me.
> >
> > Additionally, if this group recommends that I go with (1), I'd like
> recommendations for what the name of the macro should be, because none of
> the names that I'm coming up with are short enough to be usable, but also
> long enough to be descriptive.
> >
> > Thanks,
> > Michał
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