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[SR-2688] autoclosure does not support closure typealias #45293

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swift-ci opened this issue Sep 18, 2016 · 5 comments
Closed

[SR-2688] autoclosure does not support closure typealias #45293

swift-ci opened this issue Sep 18, 2016 · 5 comments
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@swift-ci
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@swift-ci swift-ci commented Sep 18, 2016

Previous ID SR-2688
Radar None
Original Reporter paul.eipper (JIRA User)
Type Bug
Status Resolved
Resolution Done
Environment

Xcode 8 (8A218a)
Apple Swift version 3.0 (swiftlang-800.0.46.2 clang-800.0.38)
Build Target iOS SDK 10

Additional Detail from JIRA
Votes 6
Component/s Compiler
Labels Bug
Assignee @theblixguy
Priority Medium

md5: 9f37a359be81b189770a77e2934b7c3e

duplicates:

  • SR-3824 Autoclosure attribute fails with type aliased function

Issue Description:

This will not work in Swift 3:

typealias ViewClosure = () -> UIView

class ViewController: UIViewController {

    func viewMaker(closure: @autoclosure ViewClosure) {
        self.view = closure()
    }

}

Error:

@autoclosure ViewClosure: @autoclosure attribute only applies to function types
@swift-ci
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@swift-ci swift-ci commented Apr 13, 2018

Comment by Jonathan (JIRA)

Any progress on this? It seems like something that should happen based on the way typealias's are defined.

@NachoSoto
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@NachoSoto NachoSoto commented Oct 5, 2018

I can't believe this is still unresolved. I filed SR-3824 on February 2017...

@theblixguy
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@theblixguy theblixguy commented Jan 20, 2019

PR: #22015

@theblixguy
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@theblixguy theblixguy commented Jan 22, 2019

jon889 (JIRA User) @NachoSoto Fixed on master.

@swift-ci
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@swift-ci swift-ci commented May 5, 2019

Comment by Slipp Douglas Thompson (JIRA)

For clarity, looks like this bug is present in Swift 5.0/5.0.1 and fixed as of Swift 5.1.

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