ICYMI: Enums Are...

on YouTube ↗27m

" summary

Builds PocketPerc: Beat Generator using SwiftUI and AVFoundation, showing concrete enum patterns that replace structs/classes for app state and UI. Demonstrates PocketPerc: Beat Generator with toggled samples mixed live, uses enum rawRepresentable, indirect associated values for a surprise fill, CaseIterable stepping helpers to move state forward/back, a generic PlaybackState bridging AVAudioPlayer and audio node frame positions, and even enums conforming to View as view namespaces. Code and app are on GitHub and the live mix works.

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" chapters (7)

1. 0:00Introduction
2. 3:35Why Enums
3. 7:08Basics
4. 10:49Representing State
5. 12:00Representing Collection
6. 21:31Conformance to View
7. 24:36Mix

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