Swift Clips: Key paths and functions

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Let’s take a look at how Swift’s key paths work, and how they relate to functions — both in terms of what comes built into the language itself, and what kind of utilities that we can write ourselves to form some really nice convenience APIs.

  1. John Sundell
  2. swift
  3. key paths
  4. functions
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Комментарии
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We need more videos, John! Your videos are by far the best.

djkim
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Nice, glad you started a YouTube channel.

abrahamlincoln
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This went dark really quick, haha

Need more in-depth videos like this John

MrTalhakhan
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Wow, this video is super useful and easy to understand. Thanks John!

bennychewDev
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Still confused a bit regarding benefits of using this in many instances.. like how, for example, product[keyPath: \.Product.kind] is better than product.kind = .iphone ?

jackcarter
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Is there any benefit to using keypaths as functions in map operations? Performance? Readability?

petersuvara
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Thanks for the video. It's informative.

suneethchakravarthy
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Could we say that key-paths are actually Lenses?

EmilioOjedaMX
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I can't think of a case where I would have to use key paths or it would be very complicated without key paths

watchit
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Like always you are amazing. Thank you

problem.solver