#define __DARWIN_NULL ((void *)0) #define nil __DARWIN_NULL typedef struct objc_object { Class isa; } *id;
typedef id (*IMP)(id, SEL, ...); id is a pointer you just demonstrated that 1 = 1 On Wed, Aug 20, 2008 at 4:42 PM, Jim Puls <[EMAIL PROTECTED]> wrote: >>> Just try it out in a small project... >>> >>> Keep in mind that Objective-C is the same as C, and C only checks for >>> numbers within the if() statement... >>> 0 = false, 1 or more = true... >>> >>> nil = 0 so, they mean the same thing... >> >> I guess my questions wasn't phrased correctly. The point was more: is >> 'nil' really the equivalent of 0 or NULL. >> >> There was a common perception that NULL is not really the same as nil. But >> seems like in the end it really is (void*)0. >> >> http://cocoawithlove.com/2008/06/doing-things-in-cocoa-with.html > > NULL is (void *)0. > nil is (id)0. > > Use one for generic pointers and the other for objects to keep your mind > sane. > > -> jp > > > _______________________________________________ > > 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: > http://lists.apple.com/mailman/options/cocoa-dev/openspecies%40gmail.com > > This email sent to [EMAIL PROTECTED] > -- -mmw _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]