[swift-users] NSData vs Data write to string differently?
Martin R
martinr448 at gmail.com
Thu Sep 22 22:15:30 CDT 2016
I had filed a related bug
https://bugs.swift.org/browse/SR-2514
Add a "hex dump" method to `Data`
as a result of the discussion starting at
https://lists.swift.org/pipermail/swift-users/Week-of-Mon-20160822/003035.html
Martin
> On 23 Sep 2016, at 03:47, Joe Groff via swift-users <swift-users at swift.org> wrote:
>
>
>> On Sep 22, 2016, at 4:04 PM, Shawn Erickson via swift-users <swift-users at swift.org> wrote:
>>
>> In general you shouldn't depend on what description returns for classes, etc. outside of your control unless it is documented (e.g. part of the API contract). If you want a specific output you should code up something to format the output as you need.
>
> This is good advice, but the printing behavior of Data nonetheless strikes me as a bug. NSData's printing behavior seems much more useful than Data's. If either of you have a moment, would you be able to file a bug about this?
>
> -Joe
>
>> -Shawn
>>
>> On Thu, Sep 22, 2016 at 3:33 PM Robert Nikander via swift-users <swift-users at swift.org> wrote:
>> Hi,
>>
>> I’ve run into a problem when updating to new Swift in Xcode 8. There was some NSData in a string like this:
>>
>> “ … \(data) … “
>>
>> It changed to type `Data`, and the string went from hexadecimal bytes to writing “20 bytes”. I’m doing a quick bug fix app release now. I can’t remember if Xcode auto converted this for me. I thought it did. ? Either way… seems like they should behave the same here, no?
>>
>> Rob
>>
>>
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