On Apr 24, 2014, at 11:12 AM, Luther Baker wrote:
> Not native and I've no idea when or if this is a good idea ... nor am I sure
> how much typing you want to do ... but you _could_ create a class convenience
> method for this
>
> x = [Thing defaultIfNil:x];
>
> With shorter or longer names as you see fit ... down to possibly:
>
> x = [Thing :x]
>
> I've really no idea if that syntax would work but it stands out and might be
> easy to use and identify in the code!
>
> -Luther
Heey, that's awesome.
The efficiency monger (aka lazy programmer) who posed me the question in the
first place will like that.
>
>> On Apr 24, 2014, at 9:33 AM, Alex Zavatone <z...@mac.com> wrote:
>>
>> I was just asked yesterday if there is any shorthand in Objective-C for "if
>> this thing = nil, then instantiate a new instance from the class"
>>
>> Something like this:
>>
>> NSString x;
>>
>> if ([x isEqualtoString:nil]) {
>> x = @"yo";
>> }
>>
>> Feel free to replace NSString with any class.
>>
>> And we messed around a bit looking for any shorthand and though it looked
>> like a terrible idea since the comparison is done against integers using the
>> ternary operator, I'd like to know exactly why it's a terrible idea.
>>
>> NSString x;
>>
>> x = (x) ?: @"yo";
>>
>> Thanks in advance.
>> - Alex
>>
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