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Observation: The Future

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🔒 We've explored the present state of observation in Swift, so what's the future have in store? Currently, observation is restricted to classes, while one of Swift's most celebrated features, value types, is left out in the cold. Let's explore a future in which observation is extended to value types.

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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