Check out this video tutorial with a lightning tour of closures in Swift. It covers: Functions as data types Basic closure syntax Trailing closures If you’re interested in more of these sorts of videos, I’ll be posting frequently over on…
Before I forget…
Discoveries in Swift and iOS development! By Craig Grummitt
Blog Archives
Overloading functions with default parameter values
Here’s a Swifty conundrum for you! First a quick recap. Here’s a simple function with no parameters. Call it and “Hello World” will print to the console. Here’s another function with the same name. This time it has a parameter…
Lightning tour of functions in Swift
Check out this video tutorial with a lightning tour of functions in Swift. It covers: Parameter default values Optional function parameters Overloading a function If you’re interested in more of these sorts of videos, I’ll be posting frequently over on the…
Tagged with: functions, optional parameters, overloading, parameter defaults, parameters
Posted in Swift
Posted in Swift
iOS Video Course is live!
After many months of work, my video course iOS Development with Swift in Motion has recently launched over at Manning Publications. If you’re interested in taking on iOS Development, but aren’t sure if you’re ready to take the plunge, I’d…
flatMap vs compactMap
In Swift 4.1, the flatMap function was divided into two functions. One kept the same name: flatMap This method flattens a sequence. Let’s say we have a two-dimensional array: We can use the flatMap higher order function to ‘flatten’ this…
Xcode 10 keyboard shortcuts cheat sheet
Getting adjusted to keyboard shortcuts takes some work, but they can boost your productivity significantly. I’ve put together a cheat sheet for a number of frequently used keyboard shortcuts in Xcode 10. I recommend you print it out, stick it…
The Mysterious Case of the Status Bar
All I wanted was two things for my status bar: I wanted it to have white text by default as it was going to be on a dark background I wanted to be able to hide it temporarily every now…
