[swift-users] Are value semantics really appropriate in a diagramming app?

[Jens Alfke]

> On Aug 1, 2016, at 1:19 AM, Rick Mann via swift-users <swift-users at swift.org> wrote:
> 
> It seems like reference semantics are more appropriate here.

Yes, they are. (Just because structs exist doesn’t mean you have to use them everywhere.)

—Jens
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