hum (void *)0 is equal to 0 interesting... type *ptr != type *ptr= NULL
you should also align your knowledge you failed, you are a lazy pointer On Wed, Aug 20, 2008 at 4:15 PM, Torsten Curdt <[EMAIL PROTECTED]> wrote: > > On Aug 21, 2008, at 00:30, Filip van der Meeren wrote: > >> On 21 Aug 2008, at 00:23, Torsten Curdt wrote: >> >>> This question has come up during the last CocoaHeads and no one was >>> really able to give a definite answer. >>> Do both expressions really mean the same thing (as nil is not null)? >>> >>> if (!foo) { >>> ... >>> } >>> >>> if (foo == nil) { >>> ... >>> } >>> >> >> 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 > > cheers > -- > Torsten > _______________________________________________ > > 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]