Protocols, Enums, Optionals

• Associated data

• Switch let syntax

• Calculated properties

• Optional unwrapping 

• Extensions

Applying MVVM

• Intent Function

• Access Control

• Closure syntax using functional programming

• Static vars and static funcs – type vars and type funcs

• Reactive UI

Getting started with SwiftUI

I learned the difference between data X behavior encapsulation;

VStack is actually a function that has an implicit content attribute within the open and close curly braces {};

The rendering of subviews within VStack is due to @TupleView and @ViewBuilder.

After all, professor Hegarty proves to be a professor that breaks the taboo of being afraid of losing students after recommending reading the language's documentation.