The How and Why of Cocoa Initializers
This is why the standard initializer pattern is the only one that works. Cocoa classes can and do deallocate the original instance, then allocate a new instance of the same class (or a subclass) and return it from their initializers. This is admittedly rare, but it is legal and it does happen. And that, in a nutshell, is why the standard Apple initializer pattern is the only correct way.
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