ARCHIVE · 17
Follow the trail from foundational concepts to practical engineering decisions.
SE-0296 and SE-0345 often appear in Swift articles and release notes. SE-0296 accompanies async/await, while SE-0345 appears in discussions of shorthand if let name syntax. What are these numbers?
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The Strategy pattern selects an algorithm externally, while the State pattern lets the current state drive internal transitions. These two behavioral patterns share a class structure but differ in intent and in who controls change.
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I asked AI to research sources, and it gave me a polished list with paper titles and authors. A search revealed that the papers did not exist. If you have used AI for a while, you have probably had a similar experience.
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There’s a wall every developer eventually runs into.
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The Swift standard library reveals one striking fact: not only primitive types such as Int, Double, and Bool, but also String, Array, Dictionary, and Set are all structs. Things that are naturally classes in other languages are value types in Swift…
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