Re: Stupid Cocoa question. How can you tell if the object you are looking at is a property or an ivar?
Re: Stupid Cocoa question. How can you tell if the object you are looking at is a property or an ivar?
- Subject: Re: Stupid Cocoa question. How can you tell if the object you are looking at is a property or an ivar?
- From: Ken Thomases <email@hidden>
- Date: Wed, 20 May 2015 19:33:14 -0500
On May 20, 2015, at 6:57 PM, Eric Wing <email@hidden> wrote:
> On 5/20/15, Jens Alfke <email@hidden> wrote:
>>
>>> On May 20, 2015, at 4:08 PM, Eric Wing <email@hidden> wrote:
>>>
>>> You could use the Objective-C runtime to find out which things are
>>> properties.
>>
>> You could, but isn't it a lot easier to just look at the character before
>> the name and check whether it's a "."?
>>
>> --Jens
>
> It depends on how pedantic you want to be. For example, if you
> implemented your own setter/getter methods, the dot syntax I believe
> still works even though these technically aren't properties. The Obj-C
> runtime functions I'm describing makes a harder distinction and will
> only list things declared with @property.
Properties existed long before there was @property. The distinction you're referring to is the difference between an informal property and a declared property.
If you have implemented a getter, you have implemented a property.
Yes, only declared properties can be introspected using the runtime.
Regards,
Ken
_______________________________________________
Cocoa-dev mailing list (email@hidden)
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:
This email sent to email@hidden