> On Feb 16, 2015, at 1:06 PM, Alex Zavatone <z...@mac.com> wrote: > > Xcode 5.1.1 > IOS 7.x > > I'm messing with an auto description category for NSObjects with the interest > of dumping out a class's properties in the format of property name, property > class and string equivalent of property value. > > I'm also considering supporting scalar primitive types that are not > NSObjects, such as CGRects, BOOLs and so on. > > In doing this, I'm checking the property's attributes with > property_getAttributes(). > > What is confusing here is that for properties that are declared as a non > atomic BOOL, the attributes are Tc,N,V, where c codes for a char, according > to the docs, according to the Runtime Property Attribute Description Examples. > > A char declared as a property returns exactly the same attributes as a BOOL > with property_getAttributes(). > > But for an NSString, property_getAttributes()returns "T@"NSString",&,N > > It's easy to detect the NSString properties, but why isn't BOOL included in a > BOOL's property attributes? Is a BOOL just a char (that's what this is > telling me)? What is going on under the hood here. How can I properly > identify a BOOL and tell the difference between a BOOL and a char if they are > represented the same way?
On Mac OS X and 32-bit iOS targets, BOOL is a char, on 64-bit iOS targets its a C/C++ style ‘bool’. > Thanks much, > Alex Zavatone. > > Sent from my iPad. Please pardon typos. > _______________________________________________ > > 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/david.duncan%40apple.com > > This email sent to david.dun...@apple.com -- David Duncan _______________________________________________ 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
