[swift-corelibs-dev] Query on NSKeyedArchiver

Max Desiatov max.desiatov at gmail.com
Wed Oct 26 12:14:58 CDT 2016

Hi Tony,

This is very interesting caveat. Is there a plan to get this documented anywhere? I haven't seen any documentation for Swift Foundation published publicly anywhere akin to how it's done for other APIs at https://developer.apple.com/reference/.

With best regards, Max.

> On 26 Oct 2016, at 18:11, Tony Parker via swift-corelibs-dev <swift-corelibs-dev at swift.org> wrote:
> 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 <mailto: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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