Autoclosures in Swift In Swift, an autoclosure offers a way to write cleaner code by leaving curly braces out. To create an autoclosure, use the @autoclosure modifier in front of the closure type. An autoclosure itself does not accept any arguments. When an autoclosure is called, it simply returns the value of the expression returned by […]

In Swift, Codable is a combination of Encodable and Decodable. Read my complete guide to JSON in case you’re unfamiliar with JSON. Practically every iOS app handles JSON data in one way or another. Thus, learning how to encode and decode JSON is necessary. Here is a quick example of how to: Output: If you

In Swift, a lazy variable is a variable that gets initialized only when it is called for the first time. To put it another way, using a lazy variable, you can delay the initialization of stored property. This is a great feature due to the limitations in the computing power. A lazy variable does not

In Swift, a closure marked with @escaping means the closure can outlive the scope of the block of code it is passed into. In a sense, @escaping tells the closure to “stay up even after the surrounding function is gone”. But why is this useful? Let’s say you are performing an (asynchronous) network request such

In Swift, both Float and Double are used to represent decimal numbers. The difference between a Float and a Double is in the precision: As a rule of thumb, you should use a Double in Swift. Swift Defaults to Doubles By default, Swift uses Double when it faces a decimal number in the code. You

Are you interested in becoming an iOS app developer? What a great choice! Developing mobile apps is a lucrative business. iOS development involves solving customers’ problems using creativity and careful thinking. Developing apps is both fun and challenging. Mobile app development is still relevant and it is an in-demand skill to possess. To become an