"The compiler is unable to type-check this expression..."

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"/Users/rich/Work/IdeaBlitz/IdeaBlitz/IdeaListView.swift:30:25 The compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions"

Is it just me? I get this on syntax errors, missing commas, missing quotes, and for no particular reason at all that I can see. I don't think I've been able to write a single, simple, SwiftUI view without seeing this multiple times.

"Breaking it up" just makes it harder to read. Simple, inline, 2-page views become 8-page, totally unreadable, monstrosities.

Am I doing something wrong? Or is this just the state of SwiftUI today? Or is there some way to tell the compiler to take more time on this expression? I mean, if these can be broken up automatically, then why doesn't the compiler to that already?

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Claude31 OP

11h

Is it something new to Xcode 26 or are you using Xcode 16 ?

You're right, that's a pretty common issue with SwiftUI and the pain is that there is not hint where the "error" precisely is.

That's intrinsic to how SwiftUI works (it is not a compile error but a run time error).

In some cases, just adding an element in an addition can cause the problem.

I do not usually break it up. A common issue is with arithmetic expressions: always make sure that the type of each value is explicit.

To localise the error, I go by dichotomy. I comment out half of the suspect part of code. If it works, problem is likely form the commented out. Otherwise, I comment half of the remaining part, and so on until I get to a single line.

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