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[SR-1644] Issue with varargs #44253

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swift-ci opened this issue May 30, 2016 · 1 comment
Closed

[SR-1644] Issue with varargs #44253

swift-ci opened this issue May 30, 2016 · 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-1644
Radar None
Original Reporter svanimpe (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate

Attachment: Download

Environment

Xcode 7.3.1

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

md5: 05a529c67c59d9098972e7cca46dec04

duplicates:

  • SR-128 Pass array to variadic function

Issue Description:

The following code does not compile (see the attached screenshot). Is Item... not the same type as Item... (namely [Item])?

struct List<Item> {
    
    var items: [Item] = []

    init(items: Item...) {
        self.items = items
    }
}

extension List: ArrayLiteralConvertible {
    
    typealias Element = Item
    
    init(arrayLiteral elements: Item...) {
        self.init(items: elements)
    }
}
@belkadan
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Within the function, the type of elements is [Item], which is indeed different from Item.... (The difference would be important if you had a function that took Any....)

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