Shared State: User Defaults, Part 1 - Listen - Point-Free Videos

Shared State: User Defaults, Part 1

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🔒 Let's enhance the `@Shared` property wrapper with the concept of persistence. We will begin with user defaults, which is the simplest form of persistence on Apple's platforms, and that will set the stage for more complex forms of persistence in the future.

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Back to Basics: Hashable References

🔒 We've studied `Equatable` and `Hashable`, their laws, and saw how value types as simple bags of data easily conform via "structural" equality. What about reference types? Reference types are an amalgamation of data _and_ behavior, and that data can be mutated in place at any time, so how can...

Published 10/21/24

Point-Free Videos

Published 10/21/24

Back to Basics: Hashable

🔒 While the documentation for `Equatable` discusses the notions of "equivalence relation" _and_ "substitutability", there are conformances in the Standard Library that run afoul, but for pragmatic reasons. Let’s explore them and then dive deeper into a related protocol: `Hashable`.

Published 10/14/24