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[Changelog] Add SE-0284 #33828

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Sep 12, 2020
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[Changelog] Add SE-0284 #33828

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15 changes: 15 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -28,6 +28,20 @@ CHANGELOG
Swift Next
----------

* [SE-0284][]:

Functions, subscripts, and initializers may now have more than one variadic parameter, as long as all parameters which follow variadic parameters are labeled. This makes declarations like the following valid:

```swift
func foo(_ a: Int..., b: Double...) { }

struct Bar {
subscript(a: Int..., b b: Int...) -> [Int] { a + b }
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Why are there two bs?

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subscript parameters are unlabeled by default, so the second parameter needs an explicit label since it follows a variadic parameter


init(a: String..., b: Float...) { }
}
```

* [SE-0287][]:

Implicit member expressions now support chains of member accesses, making the following valid:
Expand Down Expand Up @@ -8143,6 +8157,7 @@ Swift 1.0
[SE-0276]: <https://github.com/apple/swift-evolution/blob/master/proposals/0276-multi-pattern-catch-clauses.md>
[SE-0279]: <https://github.com/apple/swift-evolution/blob/master/proposals/0279-multiple-trailing-closures.md>
[SE-0280]: <https://github.com/apple/swift-evolution/blob/master/proposals/0280-enum-cases-as-protocol-witnesses.md>
[SE-0284]: <https://github.com/apple/swift-evolution/blob/master/proposals/0284-multiple-variadic-parameters.md>
[SE-0286]: <https://github.com/apple/swift-evolution/blob/master/proposals/0286-forward-scan-trailing-closures.md>
[SE-0287]: <https://github.com/apple/swift-evolution/blob/master/proposals/0287-implicit-member-chains.md>

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