[swift-evolution] Property Getter Return Statement

[Slava Pestov]

> On Oct 7, 2017, at 7:07 AM, James Valaitis via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Is it widely agreed that it is necessary to require a return statement on a one line property getter?
> 
> var session: AVCaptureSession { get { return layer.session } }
> 
> Or could we follow the convention for any other close and get rid of it? For me it seems redundant; the word `get` literally precedes the closure.

In multi-file projects, re-compiling one file that references the property would necessitate type checking the body of the getter, even if the getter is defined in a different source file. So one reason not to have this would be to avoid slowing down type checking.

Slava

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