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12.6: Every Metaclass Is an Instance of Metaclass

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    Every metaclass is a Metaclass.
    Figure \(\PageIndex{1}\): Every metaclass is a Metaclass.

    Metaclasses are objects too; they are instances of the class Metaclass as shown in Figure \(\PageIndex{1}\). The instances of class Metaclass are the anonymous metaclasses, each of which has exactly one instance, which is a class.

    Metaclass represents common metaclass behaviour. It provides methods for instance creation (subclassOf:) creating initialized instances of the metaclass’s sole instance, initialization of class variables, metaclass instance, method compilation, and class information (inheritance links, instance variables, etc.).


    This page titled 12.6: Every Metaclass Is an Instance of Metaclass is shared under a CC BY-SA 3.0 license and was authored, remixed, and/or curated by Andrew P. Black, Stéphane Ducasse, Oscar Nierstrasz, Damien Pollet via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.