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[SR-4416] Compile Error when inheriting protocol with associated Type #46993

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swift-ci opened this issue Mar 29, 2017 · 1 comment
Closed

[SR-4416] Compile Error when inheriting protocol with associated Type #46993

swift-ci opened this issue Mar 29, 2017 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.

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@swift-ci
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Previous ID SR-4416
Radar None
Original Reporter alickbass (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate
Environment

Apple Swift version 3.1 (swiftlang-802.0.48 clang-802.0.38)
Target: x86_64-apple-macosx10.9
xcode 8.3

Additional Detail from JIRA
Votes 0
Component/s
Labels Bug
Assignee None
Priority Medium

md5: 43d3b57b5726feab72512a498d62e9ae

duplicates:

  • SR-4382 Raw value type alias in raw representable child is no longer recognised

Issue Description:

The following block of code:

protocol MyProtocol {
    associatedtype SomeType
    func someFunc(param: SomeType)
}

protocol Another: MyProtocol {
    typealias SomeType = Int
}

extension Another {
    func someStuff() {
        someFunc(param: 3)
    }
}

Gives a compile error
cannot invoke 'someFunc' with an argument list of type '(param: Int)' someFunc(param: 3)
@belkadan
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See the discussion on SR-4382. It's unclear whether this was ever correct code to begin with.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.
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@belkadan @swift-ci