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Aliases from protocols do not function as property wrappers #63400

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JessyCatterwaul opened this issue Feb 2, 2023 · 0 comments
Open

Aliases from protocols do not function as property wrappers #63400

JessyCatterwaul opened this issue Feb 2, 2023 · 0 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. property wrappers Feature: property wrappers protocol Feature → type declarations: Protocol declarations swift 5.7 type checker Area → compiler: Semantic analysis

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@JessyCatterwaul
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JessyCatterwaul commented Feb 2, 2023 •
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In the View file of this project, note that StateObject.Collection, which is a type alias defined in a protocol, can be instantiated via (wrappedValue: …. But it cannot be used as a property wrapper.

Also note that ObservedObject.Collection can be used as a property wrapper. The difference is that this latter example is defined in an extension to ObservedObject.

https://github.com/JessyCatterwaul/Property-Wrapper-Bug
@JessyCatterwaul JessyCatterwaul added bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels labels Feb 2, 2023
@LucianoPAlmeida LucianoPAlmeida added type checker Area → compiler: Semantic analysis property wrappers Feature: property wrappers swift 5.7 protocol Feature → type declarations: Protocol declarations and removed triage needed This issue needs more specific labels labels Feb 3, 2023
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. property wrappers Feature: property wrappers protocol Feature → type declarations: Protocol declarations swift 5.7 type checker Area → compiler: Semantic analysis
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@LucianoPAlmeida @JessyCatterwaul