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Posts tagged with: Protocols

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All Development AI Apple Vibe Coding SwiftUI Announcements
A red and black Swiss Army knife fully opened, blade, bottle opener, and corkscrew all fanned out at once — one handle doing five jobs, which is exactly the problem this post is about.
Swift SOLID Principles

SOLID Principles in Swift: One Bad Class, Five Real Fixes

Day 24 of the 30-day iOS series. Skip the acronym slide — here's the 70-line class I'd have shipped on day one of BrewLog, broken against all five SOLID principles, and the five already-tested files in this same repo that actually fix it.

11 min read
Colorful electrical wires and cables neatly arranged — red, yellow, blue, and green — representing connections and dependencies.
Swift Dependency Injection

Dependency Injection in Swift Without a Framework

Day 19 of the 30-day iOS series. Protocol-based DI, @Environment as a SwiftUI-native container, and the factory pattern — all without Resolver, Swinject, or any third-party glue. Includes a TDD example that shows why DI and testability are the same conversation.

11 min read