[swift-evolution] [Proposal idea] Improved interop for ErrorType->NSError

[Paul Cantrell]

Well … obviously. It’s a toy example. The point was the nested conditionals, not the method.

P

> On Dec 23, 2015, at 12:12 AM, Thorsten Seitz <tseitz42 at icloud.com> wrote:
> 
>  I find it a little bit strange that your error handling function takes an optional in the first place.
> The caller should only call an errror handler in case of an error, so you should already have unwrapped the optional. 
> 
> -Thorsten 
> 
> Am 22.12.2015 um 18:30 schrieb Paul Cantrell via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>>:
> 
>> func handleFileNotFound(error: ErrorType?)
>>         {
>>         if let error = error
>>             {
>>             if case MyError.FileNotFound(let url) = error
>>                 { print(url) }
>>             }
>>         }

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