Handling Index Out of Range Exception the Swift Way

Swift is a statically typed language which allows to catch lots of syntactic errors early, such as wrong parameter type or name.

Another kind of errors are logical 🎓. They rarely can be detected automatically and are usually the trickiest among all. The well-known “Index out of range” exception in a prominent example of such.

In current article we’ll see how to prevent “Out of bounds” exceptions in Swift by overloading Collection subscript.

📝 The full article is posted on my website: http://www.vadimbulavin.com/handling-out-of-bounds-exception/