Swift Structures vs. Classes: Properties, Memberwise Initializers, Value vs. Reference & Identity

Modeling Custom Types with Structures and Classes In Swift, structures (struct) and classes (class) are the two primary building blocks ...

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Swift Enum Deep Dive: RawValue Initialization, Implicit Values & Recursion

  Raw Values A raw value is a constant of a primitive type (like Int, String, or Double) that you ...

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Ultimate Guide to Swift Enums: Raw Values, Implicit Assignments, RawValue Initialization & Recursive Enumerations

1. Enumeration Syntax An enumeration (or enum) in Swift defines a common type for a group of related values, and ...

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Swift closures – Part 2

  1. Shorthand Argument Names When the compiler knows a closure’s parameter types and return type, you can omit the ...

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Swift closures, covering how they let you group bits of executable code inline

  1. What Is a Closure? A closure is a self-contained block of functionality you can pass around and use ...

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Defining and Calling Functions swift

Defining and Calling Functions A function bundles work behind a name. Syntax: func functionName(argumentLabel parameterName: Type) -> ReturnType { // ...

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Structuring Code with Branches, Loops, and Early Exits

1. Structuring Code with Branches, Loops, and Early Exits Control flow is about choosing paths (branches), repeating work (loops), and ...

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Array, Set, and Dictionary

In Swift (on iOS or anywhere else), Array, Set, and Dictionary are all value-type collections (structs) with different guarantees: 1. ...

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Swift Strings & Characters: The Complete 2025 Guide

Swift’s String type is Unicode-correct, performant, and safe—yet it can surprise newcomers because of grapheme clusters, copy-on-write behavior, and value ...

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