[swift-users] Comparing POP to OOP
hoffman.jon at gmail.com
Sun Mar 6 18:28:09 CST 2016
> On Mar 6, 2016, at 1:08 AM, Dave Abrahams via swift-users <swift-users at swift.org> wrote:
> on Sat Mar 05 2016, Jon Hoffman <swift-users-AT-swift.org> wrote:
>>> On Feb 25, 2016, at 7:29 PM, Dave Abrahams via swift-users <swift-users at swift.org> wrote:
>>> on Sun Feb 14 2016, Jon Hoffman <swift-users-AT-swift.org> wrote:
>>>> Numerous tutorials that I have seen take a very Object-Oriented
>>>> approach to the protocol-oriented programming (POP) paradigm. By this
>>>> statement I mean that they tell us that with POP we should begin our
>>>> design with the protocol rather than with the superclass as we did
>>>> with OOP however the protocol design tends to mirror the superclass
>>>> design of OOP. They also tell us that we should use extensions to add
>>>> common functionality to types that conform to a protocol as we did
>>>> with superclasses in OOP. While protocols and protocol extensions are
>>>> arguably two of the most important concepts of POP these tutorials
>>>> seem to be missing some other very important concepts.
>>>> In this post I would like to compare Protocol-Oriented design to
>>>> Object-Oriented design to highlight some of the conceptual
>>>> differences. You can view the blog post here:
>>> While I agree that simply translating classes into protocols misses the
>>> point, it seems as though your post still only deals with the
>>> dynamically-polymorphic half of the protocol world. I don't see any
>>> generics in there at all, for example. If you're really going for a
>>> comprehensive view of POP, you need to get into that stuff too.
>> You are correct that POP is about so much more than what was covered
>> in this introductory post. This post was written to be an
>> introduction to be Protocol-Oriented programming with a comparison to
>> Object-Oriented programming.
>> POP was introduced to the World less than a year ago.
> Yes, I was there ;-)
Luckily you, I haven’t been to a WWDC however living on a lake I am able to sit by the lake and watch the video at my leisure. Not really sure which one is better :)
>> Over the next few years, as Swift changes and matures; the
>> Protocol-Oriented programming paradigm will mature with it. Hopefully
>> I can continue to write about these changes as well.
> I hope so.
>> My book does cover POP and the technologies that make up POP more
>> extensively than this post does however I plan on writing several more
>> posts, as time allows with my day job, to expand not only on this post
>> but also on the material in my book.
> I'm definitely interested to see more.
> Thanks for your work on this,
Thanks, I am definitely getting a number of idea about future posts based on our conversation.
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