Watched Mastering MVVM With Swift: How Does the Model-View-ViewModel Pattern Work.

Learned what is called self executing closure Tips and Tricks: What Are Self-Executing Closures. Sure, concept isn’t new. I just haven’t known how it’s called. But some ideas of how it could be used are new.

Came across Writing A Generic Stable Sort. I feel I was already there.

Digging in Swift stdlib sources have found how UTF8 is accessible despite it’s declared in Unicode:

public typealias UTF8 = Unicode.UTF8
public typealias UTF16 = Unicode.UTF16
public typealias UTF32 = Unicode.UTF32