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How to be a POP-Star
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Ritesh Gupta
July 05, 2017
Programming
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How to be a POP-Star
POP - Protocol Oriented Programming
Ritesh Gupta
July 05, 2017
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Transcript
how to be a POP-Star (Swift Chennai Meetup) ~ Ritesh
Gupta
/@_riteshhh /riteshhgupta /issues/295 /swift-snippets
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`Protocol-Oriented Programming in Swift` https://developer.apple.com/videos/play/wwdc2015/408/ WWDC - 2015
`Protocol and Value Oriented Programming in UIKit Apps` https://developer.apple.com/videos/play/wwdc2016/419/ WWDC
- 2016
Swift is just not a syntax migration from Objective-C…
Swift is not objective-c styled language…
C ~> C++ Objective-C ~> Swift { imperative } {
object oriented } { object oriented } { protocol oriented }
Entity (class, struct - UI or Model) vs Behaviour (protocol)
Entity is collection of behaviours…
UIButton UIBarButtonItem
UIBarButtonItem UIBarItem NSObject UIButton UIControl UIView
UIBarButtonItem UIBarItem NSObject UIButton UIControl UIView
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UIKit + Protocols
UIView Framable
UIImageView ImageRenderable, Framable
UIButton Tappable, ImageRenderable, Framable
compose everything with Protocols..
UITableViewCell UICollectionViewCell Reusable, Framable
UIScrollView Scrollable, Framable
UITableView UICollectionView Listable, Scrollable, Framable
thinking in protocol..
protocol ->
protocol -> protocol extension ->
protocol -> protocol extension -> protocol constrained extension ->
playground demos..
protocol is not a silver bullet.. http://chris.eidhof.nl/post/protocol-oriented-programming/
..computed variables, extensions, values types, immutability, functional programming, generics, enums,
associative types/ values..
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