Thinking in Swift!

Transcript

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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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    None
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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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