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InicioiOS DevelopmentEnabling Concurrency warnings in Xcode 14 – Donny Wals

Enabling Concurrency warnings in Xcode 14 – Donny Wals


If you wish to be sure that your code adopts Swift concurrency as appropriately as attainable in Swift 5.7, it is a good suggestion to allow the Strict Concurrency Checking (SWIFT_STRICT_CONCURRENCY) in your venture.

To do that, choose your venture’s goal and navigate to the Construct Settings tab. Be sure you choose All from the listing of settings that’s proven (Fundamental is the default) and kind Strict Concurrency within the searchbar to seek out the Strict Concurrency Checking construct setting.

The screenshot beneath exhibits all of the related components so that you can see:

Screenshot of the strict concurrency checking settings

The default worth for this setting is Minimal which boils right down to the Compiler solely checking specific Sendable annotations amongst different issues. This setting is the least restrictive and enforces as little of Swift Concurrency’s constraints as attainable in the meanwhile.

You possibly can bump your checking to Focused which can implement Sendable and actor-isolation checks in your code, and it’ll explicitly very that Sendable constraints are met whenever you mark certainly one of your sorts as Sendable. This mode is actually a little bit of a hybrid between the conduct that is meant in Swift 6, and what’s allowed now. You should utilize this mode to have a little bit of checking in your code that makes use of Swift Concurrency with out an excessive amount of warnings and / or errors in your present codebase.

With Full you’ll get the total suite of concurrency constraints, primarily as they are going to work in Swift 6. Personally I might suggest enabling this setting for brand spanking new tasks the place you need your entire code to be correctly checked instantly. In an present codebase this mode is likely to be a little bit too strict, however then again it should flag a lot of issues that can be obligatory in Swift 6.

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