[swift-users] Expression was too complex to be solved in reasonable time

[Nate Birkholz]

Thanks, Slava!

On Tue, Oct 24, 2017 at 3:05 PM, Slava Pestov <spestov at apple.com> wrote:

>
>
> On Oct 24, 2017, at 3:05 PM, Nate Birkholz via swift-users <
> swift-users at swift.org> wrote:
>
> Doing a tutorial from RayWenderlich. https://www.
> raywenderlich.com/125313/make-game-like-candy-crush-spritekit-swift-part-4
>
> I have four bool values: topLeft, bottomLeft, topRight, and bottomRight
>
> the following line throws an error:
> let value = Int(topLeft.hashValue) | Int(topRight.hashValue) << 1 |
> Int(bottomLeft.hashValue) << 2 | Int(bottomRight.hashValue) << 3
>
>
> yeah,
>
> let value1 = Int(topRight.hashValue) << 1
> let value2 = Int(bottomLeft.hashValue) << 2
> let value3 = Int(bottomRight.hashValue) << 3
>
> let value = Int(topLeft.hashValue) | value1 | value2 | value3
>
>
> "Expression was too complex to be solved in reasonable time; consider
> breaking up the expression into distinct sub-expressions."
>
> This seems like a bug in the compiler, no? Is there actually a way to
> break that up?
>
>
> This is a known issue that got worse with the new integer oriented
> protocols, especially with shifts.
>
> Slava
>
>
> --
> Nate Birkholz
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> swift-users at swift.org
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>
>
>


-- 
Nate Birkholz
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