Modern UIKit: Stack Navigation, Part 1 - Listen - Point-Free

Modern UIKit: Stack Navigation, Part 1

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Description

🔒 We have now implemented tree-based navigation in UIKit, driven by the Observation framework, but there is another form of navigation to think about: stack-based navigation, where you drive your navigation from a flat collection of states rather than a heavily-nested type. Let's leverage Observation to build a really nice tool for stack-based navigation.

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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