Declare protocol conformance in an extension to separate the type's main definition from the conformance implementation: ```swift struct User { let id: UUID } protocol IdentifiableUser { var id: UUID { get } } extension User: IdentifiableUser { // All required members are implemented here or in the main type. } ``` Extensions can add computed properties, methods, and conformance, but cannot add stored properties. Implement every required protocol member explicitly so the protocol witness is c...
Scanned 9/5/2026
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Declare protocol conformance in an extension to separate the type's main definition from the conformance implementation:
```swift
struct User {
let id: UUID
}
protocol IdentifiableUser {
var id: UUID { get }
}
extension User: IdentifiableUser {
// All required members are implemented here or in the main type.
}
```
Extensions can add computed properties, methods, and conformance, but cannot add stored properties. Implement every required protocol member explicitly so the protocol witness is complete.
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Use this skill when developing or maintaining browser extension code in the `browser/` directory, including Chrome/Firefox/Edge compatibility, content scripts, background scripts, or i18n updates.
