Dealing with Optionals in Swift скачать в хорошем качестве

Dealing with Optionals in Swift

In this video I am going to cover one of the most confusing topics encountered by new Swift developers. And that is Optionals. Feel free to use the chapter links in the description below where you will be able to jump directly to the section you want to cover. If you are really puzzled, I suggest you work your way through the entire video. We will be covering 0:00 Introduction 1:20 What are Optionals 3:34 Force Unwrapping 7:35 Optional Binding with if let 9:37 Optional try with throwing functions 15:45 Optional Binding with with guard let 19:29 The nil coalescing operator 23:12 Optional chaining. Starter project: http://www.createchsol.com/StarterPro... Completed Project on GitHub: https://github.com/StewartLynch/Deali... Throw try, try!, try? catch video:    • Throw, Try, Try? Try! Catch   ******* Download my StewartLynch YouTube Channel Application - Free ********** https://stewartlynch.gumroad.com/l/obsjz Stewart Lynch's YouTube Channel    / stewartlynch   CreaTECH Solutions Website https://www.createchsol.com Stewart Lynch's GitHub https://github.com/StewartLynch