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in Swift ~ Ritesh Gupta (Swift India, Delhi Meetup)

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Swift is just not a syntax migration from Objective-C…

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Swift is not objective-c styled language…

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C ~> C++ Objective-C ~> Swift { imperative } { object oriented } { object oriented } { protocol oriented }

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stuck with Inheritance..

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compose everything with Protocols..

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UIButton UIBarButtonItem

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UIButton UIControl UIView

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UIBarButtonItem UIBarItem NSObject

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UIBarButtonItem UIBarItem NSObject UIButton UIControl UIView

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Entity (class, struct) vs Behaviour (protocol)

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UIView Framable

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UIImageView ImageRenderable, Framable

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UIButton Tappable, ImageRenderable, Framable

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UITableViewCell
 UICollectionViewCell Reusable, Framable

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UIScrollView Scrollable, Framable

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UITableView
 UICollectionView Listable, Scrollable, Framable

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UI Entities is collection of behaviours…

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..computed variables, extensions, values types, immutability, functional programming, generics, enums, associative types/ values..

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thinking in protocol..

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