[swift-corelibs-dev] Query on NSKeyedArchiver

Tony Parker anthony.parker at apple.com
Wed Oct 26 12:11:41 CDT 2016

Hi Sai,

We do have basic support for keyed archiving and unarchiving in swift-corelibs-foundation on Linux. The limitation is that the NSCoding protocol cannot be applied to Swift struct types, only class types. On Darwin, the class also must be a subclass of NSObject. This last limitation may not exist on Linux, but you should be aware that if you encode a non-NSObject subclass on Linux then you would not be able to decode it on Darwin.

- Tony

> On Oct 26, 2016, at 4:07 AM, Sai Kanduri via swift-corelibs-dev <swift-corelibs-dev at swift.org> wrote:
> Hi Tony,
> From your comments on Pull Request #574 I understand that we cannot archive/un-archive non-NS objects using  NsKeyedArchiver & NSKeyedUnarchiver.I s my understanding correct ..? Does this means that archiving and un-archiving of  swift types is  not supported on Linux  ?
> -Sai Hema
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