property Wrappers
Asked on 10/14/2024
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Property wrappers in Swift are a feature that encapsulates logic for managing stored values. They intercept calls to read and write a property, allowing for reusable logic to be applied with a simple annotation. This can help in creating type-safe APIs and reducing boilerplate code in applications. An example of a property wrapper is the @Argument property wrapper from the Swift ArgumentParser package, which designates that a property stores the value of a command-line argument.
For more details, you can refer to the session A Swift Tour: Explore Swift’s features and design (23:24).
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