Suggested approach: This is an advanced question, so take your time. Start with a basic definition: result builders allow us to create a new value step by step by passing in a sequence of our choosing.
Next, follow up with a specific example – I’d suggest that SwiftUI is the easiest one here, because when we have a
VStack with a variety of views inside Swift silently groups them together into an internal
TupleView type so that they can be stored as a single child of the
VStack – it turns a sequence of views into a single view.
Estimated difficulty: Advanced
#errorcompiler directive do?
canImport()compiler condition do?
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