Swift provides you some handy functions like filter and map for manipulating arrays. In this post we will take a look at filter and how you can combine it with map.
Category: Swift
Swift: Use Cases For Guard
The keyword guard has been introduced in Swift 2. It was a little bit inconspicuous at the first sight, but it has a lot of power. In this article we will take a look at three uses cases for guard.
try!
Error handling is a very important topic and I’ve written already a blog post about that topic. You can also check out my talk about that topic on the Swift Summit in San Francisco. In this post we will discuss when you should use try!. Hint: This post has been updated to Swift 3, iOS 10… Continue reading try!
Swift: The Nil Coalescing Operator
The so-called Nil Coalescing Operator is an interesting operator, that you can use for working with optionals.
Swift: Avoiding C-Style For-Loops
C-style for-loops will be removed in Swift 3. This may seem a little bit strange at first sight. But Swift has some features that allow better loop structures. C-style for-loops Let’s start by looking at the following C-style for-loop: let programmingLanguages = [“Swift”,”Objective-C”,”Java”] for var i = 0; i < programmingLanguages.count; i++ { print(“index: \(i), value:… Continue reading Swift: Avoiding C-Style For-Loops
February 2016: The Current State Of Swift
Recently there were some interesting reports and articles about the state of Swift. In this post we will discuss them and put them in perspective.
How To Use Both Swift And Objective-C In One Project?
The Swift and Objective-C interoperability is very good so that it is very easy to use both Swift and Objective-C in one project.
Swift: Public Properties With Private Setters
In Swift you can easily create public properties with private setters. It makes your code much safer and shorter.
Swift 3 And Beyond
On December 3, 2015, the Swift language was released as open source. It also involves a roadmap for Swift 3, which will be released in fall 2016.
The Pyramid Of Doom In Swift
If you are using a lot of nested indentations, your code becomes rapidly unclear – the pyramid of doom. You can avoid this by using the keyword guard.
