[swift-users] Object size on heap

[Jordan Rose]

> On Mar 22, 2016, at 8:47, Joe Groff via swift-users <swift-users at swift.org> wrote:
> 
> 
>> On Mar 21, 2016, at 9:31 PM, Howard Lovatt <howard.lovatt at gmail.com <mailto:howard.lovatt at gmail.com>> wrote:
>> 
>> How do you call swift_class_getInstanceExtents, it doesn't show in Xcode?
> 
> It's not provided as API by default. You can do this as an unsupported hack:
> 
> @_silgen_name("swift_class_getInstanceExtents")
> func swift_class_getInstanceExtents(theClass: AnyClass)
>   -> (negative: UInt, positive: UInt)

This has probably gone too far to hide it already, but, um, what do you plan to do with this information?

Jordan
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