I guess my real question is "can we substitute the ternary operator for your if
statement and if not, why?"
Thanks man.
On Apr 24, 2014, at 10:53 AM, Raheel Ahmad wrote:
> Usually, I would access such variables as properties that are lazy loaded, in
> which case the accessing code is simply:
>
> self.x …
>
> and the accessor is
>
> - (NSString *) x {
> if (!_x) {
> _x = @“yo”;
> }
> return _x;
> }
>
> - Raheel
>
> On April 24, 2014 at 7:36:57 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
>>
>> _______________________________________________
>>
>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
>>
>> Please do not post admin requests or moderator comments to the list.
>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>>
>> Help/Unsubscribe/Update your Subscription:
>> https://lists.apple.com/mailman/options/cocoa-dev/ahmadraheel%40gmail.com
>>
>> This email sent to ahmadrah...@gmail.com
_______________________________________________
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to arch...@mail-archive.com
