Mastering Swift 2 Programming (Video 47)

The video explores how dynamic dispatch in Swift affects code performance, highlighting the trade-offs between flexibility and runtime overhead. It introduces the final keyword as a means to optimize performance by allowing direct calls and compiler optimizations. The video demonstrates these concepts using a Game of Life application, showing significant performance improvements through testing. It concludes by encouraging viewers to apply these techniques to older applications and previews the next topic on reference types and performance.

What are the implications of using the final keyword on methods and properties?

Describe the process of testing performance changes after applying the final keyword.