[swift-evolution] Abstract methods

Taylor Swift kelvin13ma at gmail.com
Thu Nov 2 15:57:31 CDT 2017

Swift architectures use much less inheritance (and class types) in general than equivalent c++ architectures. personally i have never been in a situation where i didn’t need a pure abstract method that was better declared as a protocol requirement.

> On Nov 2, 2017, at 2:45 PM, C. Keith Ray via swift-evolution <swift-evolution at swift.org> wrote:
> How many "subclass must override" assertions or comments in base class methods do we need to see, to want to add "abstract" to the Swift language? 5? 50? 500?
> It's a not uncommon idiom in Objective-C.
> I'm about to port a substantial amount of C++ code to swift, and compiler help to enforce abstract classes would be very useful.
> --
> C. Keith Ray
> Senior Software Engineer / Trainer / Agile Coach
> * http://www.thirdfoundationsw.com/keith_ray_resume_2014_long.pdf
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