On Feb 24, 2012, at 6:50 AM, Oleg Krupnov wrote: > So basically, nil is of type "void*", so the expression "self != nil" > compares two pointers and the result is "boolean", which is perfect > for testing in the "if" statement. But the "self" alone is of type > "pointer" and so when it is tested by the "if" statement, it's > implicitly cast to the type "boolean".
In C any non-zero value is 'true', as such if (self) vs if (self != nil) is a pure stylistic choice, neither is more correct than the other in terms of the language itself. -- 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
