LanguageSwift
Using SwiftLint
Making sure that your code follows swift coding styles and conventions can be a tedious task. Especially in larger teams. You can easily automate this process by using SwiftLint. SwiftLint is a great...
Dejan Agostini
LanguageSwift
Format Your Code With SwiftFormat
Coding styles can be a religious topic for some developers. It's one of those topics where everyone has a strong opinion. Opinions aside, once we agree on a coding style and start following it, it's...
Dejan Agostini
Data StructuresiOS
Enums like never before...
A big problem currently unresolved in the swift world is in regards to enums. Filtering and equating enums in swift is verbose and might require some extra helper function or computed var on the enum...
Giuseppe Lanza
LanguageSwift
Throwable Optionals
You might be wondering what are throwable optionals. It's simply an optional that will throw when force unwrapping. Throwable optionals don't exist in the swift standard library. In this blog article...
Dejan Agostini
LanguageSwift
Introduction to Functions in Swift
It might seem strange at first to write an article on functions in swift. But functions in swift are a bit special and have some pretty cool characteristics. Hopefully by the end of this article...
Dejan Agostini
LanguageSwift
Swift 4 Codable in Real life, Part 2
In the first part of the fantastic world of Codable we tackled just one of the possible problems that in real life could make this amazing language feature hard to use. In this article we will try to...
Giuseppe Lanza
LanguageSwift
Swift 4 Codable in Real life
I was one of those people screaming to the miracle in the WWDC room when they first presented Codable in swift 4. I could not wait to put my hands on this new swift feature and starting using it....
Giuseppe Lanza
LanguageSwift
Initializers in Swift
In Swift you'll be constructing objects all the time. It might seem simple at first glance but initializers in Swift are a pretty deep topic. In this article we'll cover designated and convenience...
Dejan Agostini
LanguageSwift
Assert, Precondition and Fatal Error in Swift
Sometimes it's better to crash then to have your app running in an inconsistent state. In this short article we'll cover the options you have for crashing and what are the main differences between...
Dejan Agostini
LanguageSwift
Understanding Optionals
Last week we covered some basics on Optionals. This week we'll dive in a bit deeper. We'll take a look at the implementation of the optionals, optional chaining, nil-coalescing operator and a few...
Dejan Agostini
LanguageSwift
Optionals in Swift
Optionals are one of the major language features of Swift. Understanding what they are and how to use them will be crucial if you want to code in Swift. Hopefully, by the end of this article you'll...
Dejan Agostini
LanguageSwift
Structures vs Classes in Swift
You might have heard that some of the swift native types are being converted from classes to structures. In this article, we'll explore structures and classes, we'll talk about values, references,...
Dejan Agostini
LanguageSwift
DispatchGroup vs. OperationQueue in Swift
You probably found yourself in a situation where you had to do a bunch of asynchronous tasks and you just wanted to get notified when all of them finish. There are two easy ways of doing this:...
Dejan Agostini
LanguageSwift
Understanding Operation and OperationQueue in Swift
There are more ways than one to do concurrent operations on iOS. In this article, we'll cover how to use Operations and OperationQueue to execute concurrent operations. There's a lot to be said (and...
Dejan Agostini
LanguageSwift
Memory Management in Swift: The Strong, The Weak and The Unowned
If you started your iOS development career in Objective-C, especially pre ARC Objective-C, you're probably very familiar with the above-mentioned concepts. If you started with Swift, some of them...
Dejan Agostini
LanguageSwift
Generics in Swift
Generics is one powerful feature of swift that allows us to work with generic types. In this article, we'll cover what generics are, and how to use them in your project. Generics You must have come...
Dejan Agostini