[swift-evolution] [Review #2] SE-0117: Default classes to be non-subclassable publicly

L. Mihalkovic laurent.mihalkovic at gmail.com
Sat Jul 16 21:24:46 CDT 2016

(From mobile)

> On Jul 16, 2016, at 7:52 AM, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> Hello Swift community,
> The second review of "SE-0117: Default classes to be non-subclassable publicly" begins now and runs through July 22. The proposal is available here:
>    https://github.com/apple/swift-evolution/blob/master/proposals/0117-non-public-subclassable-by-default.md
> Reviews are an important part of the Swift evolution process. All reviews should be sent to the swift-evolution mailing list at
>    https://lists.swift.org/mailman/listinfo/swift-evolution
> or, if you would like to keep your feedback private, directly to the review manager.
> What goes into a review?
> The goal of the review process is to improve the proposal under review through constructive criticism and contribute to the direction of Swift. When writing your review, here are some questions you might want to answer in your review:
>    * What is your evaluation of the proposal?

Part of a series of increasingly compelling arguments for switching other languages for writting ios/osx application, provided that that is not also prohibited in the various stores in the near future

>    * Is the problem being addressed significant enough to warrant a change to Swift?

No. I'll self censor the rest as it is not flatering

>    * Does this proposal fit well with the feel and direction of Swift?

Feel: not surewhat the feel of swifft is supposed to be anymore
Direction: yes... training wheels all around, limited abilitiy to organize & structure code (other key features missing for that & plenty of real life examples on github to show this is actually the case)

>    * If you have used other languages or libraries with a similar feature, how do you feel that this proposal compares to those?

The bulk my professional experience has been mostly with asm x86, c, c++, perl, java, scala, tcl/tk, go, xtend, vb, c#, fortran, cobol, javascript and recently TypeScript. None have something equivalent. I recently started toying with kotlin, that looks at inheritence in a similar light, but do not have enough real life experience yet to speak.
As for TypeScript, I only recently started writing large amounts of it professionally, and I am absolutely blown away: it has been the easiest language to learn and become extremely productive with, thanks to the most sound generic type system I have ever used (for bkgrnd, I love and makes very heavy use of the java/c# generics). 

>    * How much effort did you put into your review? A glance, a quick reading, or an in-depth study?

A lot.

> More information about the Swift evolution process is available at
>    https://github.com/apple/swift-evolution/blob/master/process.md
> Thank you,
> -Chris Lattner
> Review Manager
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