objective c - How to use the @dynamic directive in a Category implementation? -


When I try to use @ dynamic directive in the class implementation, I'm not assigned "dynamic @ dynamic An interface can be done ".

Does anyone know if there is a proper way to use this instruction in this category?

Define the interface for the class, as you would with a class: 

  @interface NSObject (RetainProperty) @property (nonatomic, readonly) BOOL more ThanOneRetain; @end @implementation NSObject (RetainProperty) @dynamicMore ThanOneRetain; - (BOOL) more orthodontane {Returns (1 Lt; [self-sustaining number]); } @end

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