13 SwiftUI Custom View Modifiers, Generics & ViewBuilder | Watch at 1.5x

What You’ll Learn

Custom View Modifiers

What a custom view modifier is
How to extract repetitive styling into reusable modifiers
Why modifiers improve readability & consistency
Creating reusable UI components with .modifier()
Best practices for structuring your modifiers

Generics in SwiftUI

Understanding generic types in Swift
How SwiftUI uses generics behind the scenes
Creating reusable generic views
Writing cleaner, more flexible SwiftUI components
When to use generics instead of protocols or enums

ViewBuilder Explained

What @ViewBuilder actually does
Creating conditional & multiple-child views
Building custom reusable view-building functions
Injecting views into reusable components
Making APIs like SwiftUI’s using ViewBuilder

Why This Lesson Matters

These concepts help you:
Write cleaner, more maintainable SwiftUI code
Build UI like a senior iOS developer
Create design systems & reusable UI components
Understand how SwiftUI works internally




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