Operators You Actually Use
Swift’s operator set is broad, but a small set covers 95% of what you write daily. This guide focuses on the operators...
A personal blog by Deya Elkhawaldeh
Swift By Deya
Insights, ideas, and practical guides on
Swift, iOS development, and the Apple ecosystem.
In-depth tutorials
and technical deep dives
and technical deep dives
Real-world lessons
from building with Swift
from building with Swift
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Advantages of Swift Over Objective-C
Objective-C, developed in the early 1980s, has long been the backbone of iOS and macOS development. Its deep integration with Apple’s ecosystem...
What is Swift Programming Language?
Swift is Apple’s modern, open-source programming language, introduced at Apple’s 2014 Worldwide Developers Conference (WWDC). Designed to be the successor to Objective-C,...
stride in Swift
Swift has no C-style for (int i = 0; i < 10; i += 2) loop. Ranges like 0..<10 cover steps of...
Escaping and Non-Escaping Closures in Swift
Some closures run and are gone before the function that received them returns. Others are saved for later: stored in a property,...
defer in Swift
defer schedules a block of code to run when the current scope exits, no matter how it exits: a normal return, an...
Method Swizzling in Swift
Method swizzling swaps the implementation behind a method at runtime, so calling one method actually runs different code. It’s an Objective-C runtime...
Advanced and Custom Operators in Swift
Operators are just functions with special syntax. Beyond the everyday +, -, and ==, Swift has overflow operators, masking shifts, and a...