Providing default values for optional String and empty optional String in Swift 3.1 - Jan Thielemann
Optional Values in Swift | | InformIT
Difference between optional values in swift? - Stack Overflow
The Swift Swift Tutorial: Ten Points for Using Optionals. – Make App Pie
Swift Optionals and `nil`
Swift 3 and Comparing Optionals
Optionals - a free Hacking with Swift tutorial
Swift-4 (iOS 11) Initializer for conditional binding must have Optional type, not 'String.UTF8View.Index' · Issue #714 · stephencelis/SQLite.swift · GitHub
Optional chaining - a free Hacking with Swift tutorial
Swift Essentials: Optionals
Which is more idiomatic swift? Throwing functions vs returning optionals : r/swift
Swift Essentials: Optionals
What are Optionals in swift ?. If you are an iOS developer, you… | by Abhimuralidharan | Medium
Swift - Cannot use += operator with String! from UITextField or UITextArea - Implicitly Unwrapped Optional — Super Easy Apps
ios - Default value optional swift doesnt make it nonOptional - Stack Overflow
ELI 5 - Optionals and jargons
Swift Essentials: Optionals
Optionals - a free Hacking with Swift tutorial
Optionals - a free Hacking with Swift tutorial
swift array optional to string - Stack Overflow
Open Sourcing NonEmpty
Swift Essentials: Optionals
Swift Optionals Explained: How to use them and what are they (iOS for Beginners) - YouTube
Optionals - a free Hacking with Swift tutorial
Optional in Swift (Easy Start with examples) | by Needone App | Medium
Swift Basics
