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[SR-832] Nil coalescing operator can't be applied to optional closures #43444

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swift-ci opened this issue Feb 26, 2016 · 1 comment
Closed

[SR-832] Nil coalescing operator can't be applied to optional closures #43444

swift-ci opened this issue Feb 26, 2016 · 1 comment
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@gregomni
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.

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Previous ID SR-832
Radar None
Original Reporter py (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Xcode 7.2.1

Additional Detail from JIRA
Votes 1
Component/s
Labels Bug
Assignee @gregomni
Priority Medium

md5: 7fe43bb255e2d27716d25ed3a7e3458d

Issue Description:

As the attached screenshot and playground demonstrates, it's not possible to use the nil coalescing operator on an optional closure, despite being able to use the longhand ternary version to achieve the same thing.

func someFunc(foo: (String -> String)?, bar: String -> String) {
    let baz: String -> String = foo != nil ? foo! : bar // Allowed
    let quux: String -> String = foo ?? bar // Not allowed
}
@gregomni
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gregomni commented Mar 1, 2016

Fixed in commit 88c6cdb

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

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.
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@swift-ci @gregomni