ARCHIVE · 27
Follow the trail from foundational concepts to practical engineering decisions.
The State Pattern groups state-specific behavior and transitions into objects or enums, reducing scattered conditionals. This article explains how to refactor Swift screen states and distinguish intentional designs that resemble the Strategy Pattern.
Read article
Reference, shallow, and deep copies differ in how much newly created data they duplicate. This article explains the pitfalls of reference types inside Swift value types and how Copy-on-Write preserves independent copies.
Read article
Swift guard handles failure conditions first and keeps the happy path flat. Verify its compiler guarantees over if, optional-binding scope, and when to choose return, throw, or continue with runnable examples.
Read article
When building an app, you may need to create thousands or tens of thousands of similar objects. A typical example is placing tens of thousands of markers on a map, where the memory graph can easily keep climbing.
Read article
Compare two errors collapsed by try? with typed throws and stored Result values, then recover successful values or rethrow failures using get.
Read article