[swift-evolution] [swift-evolution-announce] [Review] SE-0166: Swift Archival & Serialization

[Zach Waldowski]

On Fri, Apr 21, 2017, at 11:26 AM, Tony Parker via swift-evolution wrote:> One more thing, which we realized after I sent my original email: the
> default implementation of many of the protocols needs to throw errors.
> Therefore we will add enum EncodingError and enum DecodingError to the
> list of new types. Those enums will have various associated values
> according to what is useful debug information. To preserve the ability
> for developers to present these errors to users with localized and user-
> presentable messages, when these enums are cast to NSError (e as?
> NSError), they will have the Cocoa error domain and a Foundation-
> provided code. (This is done via an extension to the enum in
> Foundation).
This is the best possible outcome for layering. Thanks to everyone
involved for reconsidering that.
Sincerely,
  Zachary Waldowski
  zach at waldowski.me


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