[swift-evolution] Final by default for classes and methods

[Stephen Celis]

> On Dec 23, 2015, at 12:25 PM, Tino Heth via swift-evolution <swift-evolution at swift.org> wrote:
> 
> I also would change the list of downsides and put "annoyance" on top — especially for those who don't care for theoretical improvement when they have to pay the price in form of more effort:
> "If I don't want to subclass something, I just don't do it — why do I have to change the properties of the superclass?"

Fix-its solve this with a single click.

Stephen