Shared State: Testing, Part 1 - Listen - Point-Free Videos

Shared State: Testing, Part 1

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🔒 The `@Shared` property wrapper can effortlessly share state among features to build complex flows quickly, but because it is powered by a reference type, it is not compatible with the Composable Architecture's value-oriented testing tools. Let's address these shortcomings and recover all of the library's testing niceties.

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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