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[SR-4695] Access control inconsistency #47272

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dabrahams opened this issue Apr 25, 2017 · 2 comments
Open

[SR-4695] Access control inconsistency #47272

dabrahams opened this issue Apr 25, 2017 · 2 comments
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@belkadan
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access control Feature → modifiers: Access control and access levels bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@dabrahams
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Previous ID SR-4695
Radar rdar://problem/31821367
Original Reporter @dabrahams
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, AccessControl
Assignee @belkadan
Priority Medium

md5: 50b7faafb1fe405ba924a728bcbd09bf

Issue Description:

I think this program should compile, but even if it shouldn't, it should consistently give the same error for both instances of f, right?

public protocol P {
  associatedtype A
}

internal protocol Q : P {}
extension Q where A == ()  {
  public func f() {  } // error: cannot declare a public instance method in an extension with internal requirements
}

internal protocol R : P {}
extension R {
  public func f() {  } // OK
}
@dabrahams
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@swift-ci create

@belkadan
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Yeah, this is me cheating on constrained extensions out of fear of accidentally exposing something we shouldn't. Thanks for the report; I'll check for an earlier one.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@belkadan belkadan

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access control Feature → modifiers: Access control and access levels bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@dabrahams @belkadan