Understanding Opaque Types in Swift and SwiftUI: The Power of `some`

Tue, 30 Jun 2026 10:38:19 +0530

If you have ever written a single line of SwiftUI, you have seen this code:

var body: some View {
 Text("Hello, World!")
}

That tiny word—some—represents one of the most powerful and complex features introduced in modern Swift: Opaque Return Types.

But what exactly does some do? Why can’t we just return View? And when should you use opaque types in your own non-UI Swift code? Let’s break down the what, why, where, and the common violations.

SwiftUI on Abhishek Shukla

Understanding Opaque Types in Swift and SwiftUI: The Power of `some`