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Asked: 2026-05-18T11:28:50+00:00

Is there a way to cast an NSManagedObject to a sub-classed object? I have

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Is there a way to cast an NSManagedObject to a sub-classed object?

I have @interface Contact : NSManagedObject and in a generic part of my code I have an NSManagedObject, I would like to cast it to Contact to be able to access properties directly using contact.firstName etc…

I am using Contact *contact = myManagedObject; which works at run time but I am getting the compiler warning warning: incompatible Objective-C types initializing 'struct NSManagedObject *', expected 'struct Contact *' that I would like to suppress.

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  1. Editorial Team

    Use a C cast:

    Contact *contact = (Contact *) myManagedObject;

    Be aware that this is quite a bit of rope. Sometimes necessary rope, certainly.

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