[swift-evolution] Compiler Warning on Unextended Classes

[Xiaodi Wu]

On Thu, Jun 16, 2016 at 11:39 AM, L. Mihalkovic via swift-evolution <
swift-evolution at swift.org> wrote:

> Likely a lint level feature, no?


Agreed. Sounds like a linter feature.


> > On Jun 16, 2016, at 6:27 PM, Sean Heber via swift-evolution <
> swift-evolution at swift.org> wrote:
> >
> > I would think this would not apply to public classes.
> >
> > There has also been discussion in the past about making final the
> default - I don’t remember if that ever resolved into some kind of
> consensus or not, though.
> >
> > l8r
> > Sean
> >
> >
> >> On Jun 16, 2016, at 11:23 AM, Saagar Jha via swift-evolution <
> swift-evolution at swift.org> wrote:
> >>
> >> Correct me if I’m wrong, but if you’re writing some kind of framework
> and your class is not final but never subclassed, you wouldn’t want the
> warning, even if you’d like to allow users to subclass it?
> >>
> >>
> >>
> >> On Thu, Jun 16, 2016 at 9:02 AM Rehat Kathuria via swift-evolution <
> swift-evolution at swift.org> wrote:
> >> I’d like the compiler to present a warning when a class not declared as
> final is never subclassed. Thoughts?
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> >> --
> >> -Saagar Jha
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