<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 25, 2016, at 7:29 PM, Dave Abrahams via swift-users <<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class="">on Sun Feb 14 2016, Jon Hoffman <<a href="http://swift-users-at-swift.org" class="">swift-users-AT-swift.org</a>> wrote:<br class=""><br class=""><blockquote type="cite" class="">Numerous tutorials that I have seen take a very Object-Oriented<br class="">approach to the protocol-oriented programming (POP) paradigm. By this<br class="">statement I mean that they tell us that with POP we should begin our<br class="">design with the protocol rather than with the superclass as we did<br class="">with OOP however the protocol design tends to mirror the superclass<br class="">design of OOP. They also tell us that we should use extensions to add<br class="">common functionality to types that conform to a protocol as we did<br class="">with superclasses in OOP. While protocols and protocol extensions are<br class="">arguably two of the most important concepts of POP these tutorials<br class="">seem to be missing some other very important concepts.<br class=""><br class="">In this post I would like to compare Protocol-Oriented design to<br class="">Object-Oriented design to highlight some of the conceptual<br class="">differences. You can view the blog post here:<br class=""><a href="http://masteringswift.blogspot.com/2016/02/pop-and-oop.html" class="">http://masteringswift.blogspot.com/2016/02/pop-and-oop.html</a><br class=""><http://masteringswift.blogspot.com/2016/02/pop-and-oop.html><br class=""></blockquote><br class="">While I agree that simply translating classes into protocols misses the<br class="">point, it seems as though your post still only deals with the<br class="">dynamically-polymorphic half of the protocol world. I don't see any<br class="">generics in there at all, for example. If you're really going for a<br class="">comprehensive view of POP, you need to get into that stuff too.<br class=""><br class="">-- <br class="">-Dave<br class=""></div></div></blockquote><div><br class=""></div><div>
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<!--StartFragment--><p class="MsoNormal">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.</p><p class="MsoNormal">POP was introduced to the World less than a year ago. 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.</p><p class="MsoNormal">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. <o:p class=""></o:p></p>
<!--EndFragment--></div><div>Jon</div><br class=""><blockquote type="cite" class=""><div class=""><div class=""><br class="">_______________________________________________<br class="">swift-users mailing list<br class=""><a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-users<br class=""></div></div></blockquote></div><br class=""></body></html>