[swift-evolution] [Proposal draft] NSError bridging

[Michael Peternell]

Hmm, not all NSErrors are Cocoa Errors. CustomNSError is a perfectly scoped name: CustomError would be too vague, CustomCocoaError excludes errors thrown by AVFoundation. And the intent is perfectly clear without explanation. I think a CustomCocoaError would have documentation comment that says that it can be used to customize "NSError behavior". After all, a `CustomNSError` is a custom `NSError`.

-Michael

> Am 29.06.2016 um 08:45 schrieb Charlie Monroe via swift-evolution <swift-evolution at swift.org>:
> 
> Perhaps it could be CustomCocoaError, having the "Cocoa" part precedence in 
> 
> String(cocoaString: NSString)
> 
> 
>> On Jun 29, 2016, at 7:31 AM, Riley Testut via swift-evolution <swift-evolution at swift.org> wrote:
>> 
>> Love the proposal overall, but not sure about the CustomNSError name either. It doesn’t seem to read like a Swift protocol name.
>> 
>> Somewhat related, is there a reason these protocols don’t contain the “Protocol” suffix? Stands in stark contrast with the rest of the Swift protocol naming conventions (AFAIK).
>> 
>>> On Jun 28, 2016, at 4:33 PM, Douglas Gregor via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> 
>>>> On Jun 27, 2016, at 1:58 PM, Charles Srstka via swift-evolution <swift-evolution at swift.org> wrote:
>>>> 
>>>> Obviously, I’m in favor of this one. +1!
>>>> 
>>>> I think I did prefer the older name of CustomUserInfoError for the domain/code/userInfo protocol, rather than CustomNSError. This is just because I’d like to be able to do a global search through my project for “NSError” and have it turn up empty. Maybe a silly reason, I know. ;-)
>>> 
>>> 
>>> I’m floating CustomNSError as the protocol name because I don’t feel that domain, core, or userInfo are fundamental to the Swift error model—they’re about exposing things specifically to NSError.
>>> 
>>> 	- Doug
>>> 
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