Re: printing arrays
Re: printing arrays
- Subject: Re: printing arrays
- From: Kyle Sluder <email@hidden>
- Date: Sat, 03 Nov 2012 08:42:00 -0700
On Nov 2, 2012, at 10:18 PM, "Gerriet M. Denkmann" <email@hidden> wrote:
>
> On 3 Nov 2012, at 00:35, Kyle Sluder <email@hidden> wrote:
>
>> If this is just for debugging purposes, you could swizzle -[NSArray
>> description] and -[NSDictionary description].
>
> I tried a Category for NSArray like:
You must never use a category to replace an existing method implementation. Swizzling is the only approach that will work.
>
> Now this:
> NSLog(@" Bad Array: %@", array);
> NSLog(@" Good Array with description: %@", [array description]);
> prints:
> 2012-11-03 12:04:14.548 Writing[84446:303] Bad Array: (
> "\U0e01\U0e38\U0e0d\U0e41\U0e08",
> "\U0e04\U0e38\U0e13\U0e04\U0e48\U0e32"
> )
> 2012-11-03 12:04:14.548 Writing[84446:303] Good Array with description:
> (
> กุญแจ
> คุณค่า
> )
>
> Is there a way to make the first NSLog work?
> I seem to remember that it calls something like debuggingDescription, which, if not overridden calls description.
Yeah, try sizzling -debugDescription too. And perhaps -debugDictionary (though that might be an Omni-ism).
>
> I have no experience with swizzling.
Luckily, the term is easily Googleable.
Or you can just take Quincy's advice and write your own function or category method that prints correctly.
--Kyle Sluder
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