> On Oct 10, 2014, at 11:03 PM, Gerriet M. Denkmann <[email protected]> 
> wrote:
> 
> On iOS 8.0:
> 
> UInt64 sum = 16494631536958186120UL;
> NSString *sumString =         [ NSNumberFormatter     
> localizedStringFromNumber:      @(sum)
>                                                                               
> numberStyle:                            NSNumberFormatterDecimalStyle
>                                       ];
> results in sumString =  -1,952,112,536,751,365,496, which seems not quite 
> right.
> 
> How can I convince NSNumberFormatter that it should print unsigned integers?

You can't. Sorry.

NSNumberFormatter is built atop ICU. ICU's API can handle signed 64-bit 
integers but not unsigned 64-bit integers.


-- 
Greg Parker     [email protected]     Runtime Wrangler



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