Conveniently Transforming Immutable Types in Swift

This article discusses techniques for transforming immutable types in Swift, focusing on reference types (Classes) with multiple properties. It builds on a previous post about immutable types and changing state, highlighting a pain point when dealing with many immutable properties. The author credits a commenter, Jarsen, for a solution using a helper initializer with optional parameters and nil-coalescing operators to simplify property updates. The article includes a code example of a Scorekeeper class with a convenience initializer for immutable transformations, emphasizing understanding over copying. It targets Swift developers interested in immutability, structs vs. classes, and clean coding patterns.