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NSSet: add missing convenience initializer #2883

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Sep 28, 2020
Merged

NSSet: add missing convenience initializer #2883

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4 changes: 4 additions & 0 deletions Sources/Foundation/NSSet.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,10 @@ open class NSSet : NSObject, NSCopying, NSMutableCopying, NSSecureCoding, NSCodi
self.init(array: [object])
}

public convenience init(objects elements: Any...) {
self.init(array: elements)
}

internal class func _objects(from aDecoder: NSCoder, allowDecodingNonindexedArrayKey: Bool = true) -> [NSObject] {
guard aDecoder.allowsKeyedCoding else {
preconditionFailure("Unkeyed coding is unsupported.")
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4 changes: 4 additions & 0 deletions Tests/Foundation/Tests/TestNSSet.swift
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Expand Up @@ -26,6 +26,10 @@ class TestNSSet : XCTestCase {
XCTAssertEqual(set5, set3)
set5.add(2)
XCTAssertNotEqual(set5, set3)

let set6 = NSSet(objects: "foo", "bar")
XCTAssertEqual(set6.count, 2)
XCTAssertEqual(set2, set6)
}

func testInitWithSet() {
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