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README.md

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+# Protocol Oriented Programming in Swift - Part 2 of 2
+Here's an Xcode 9 project written in Swift 4 that demonstrates protocol oriented programming and reference semantics.
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+I show you how to _extend_ or _enhance_ -- whichever term you prefer -- the `UIView` classe from `UIKit` using protocols.
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+The brevity of the code proves the power of protocols.
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+Here's what the app looks like:
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+![alt text][logo1]
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+[logo1]: http://iosbrain.com/wp-content/uploads/2018/03/Extend-UIView.gif "Customizing UIView with protocols"
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+