Author Archives: Dejan Agostini

About Dejan Agostini

iOS developer@❤️ I’m just a guy passionate about technology who can’t wait to see what tomorrow brings.

Design Patterns in Swift: Abstract Factory

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Abstract factory is one of the creational design patterns. You probably encountered it in your development without realising. Here we’ll cover the swift version of the text-book version of the design pattern and say a few words about the dependency inversion principle. Abstract Factory We’re all taught to code to… Read more »

Initializers in Swift

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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 initializers. We’ll touch a bit on the failable initializers, required initializers and initializers in structs. We’ll finish… Read more »

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 them. There’s only five, with some subtle differences. Let’s dive in. Five Ways to Fail You… Read more »