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[SR-11740] [Source Compat] Bow fails with "overriding declarations in extensions is not supported" #54147

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xymus opened this issue Nov 8, 2019 · 1 comment
Closed

[SR-11740] [Source Compat] Bow fails with "overriding declarations in extensions is not supported" #54147

xymus opened this issue Nov 8, 2019 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis

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@xymus
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xymus commented Nov 8, 2019

Previous ID SR-11740
Radar rdar://57029805
Original Reporter @xymus
Type Bug
Status Resolved
Resolution Done

Attachment: Download

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

md5: b0f3c4bcb3f62783fd4025bede8ff630

Issue Description:

Fails in source compat suites for the master branch similarly to this: https://ci.swift.org/job/swift-master-source-compat-suite/4378

/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Transformers/EitherT.swift:132:24: error: overriding declarations in extensions is not supported
    public static func fromEither(_ either: Either<A, B>) -> EitherT<F, A, B> {
                       ^
/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Typeclasses/ApplicativeError.swift:151:17: note: overridden declaration is here
    static func fromEither(_ fea: Either<F.E, A>) -> Kind<F, A> {
                ^
/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Transformers/WriterT.swift:112:24: error: overriding declarations in extensions is not supported
    public static func tell(_ l: W) -> WriterT<F, W, Unit>  {
                       ^
/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Typeclasses/MonadWriter.swift:95:17: note: overridden declaration is here
    static func tell(_ w: F.W) -> Kind<F, ()> {
                ^
/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Transformers/WriterT.swift:182:17: error: overriding declarations in extensions is not supported
    public func listen() -> Kind<WriterTPartial<F, W>, (W, A)> {
                ^
/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/Bow/Sources/Bow/Typeclasses/MonadWriter.swift:75:10: note: overridden declaration is here
    func listen() -> Kind<F, (F.W, A)> {
@slavapestov
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#28206

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis
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@slavapestov @xymus