Difference between revisions of "MetaClasses"
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Among those that do, the extent to which metaclasses can override any given aspect of class behavior varies. | Among those that do, the extent to which metaclasses can override any given aspect of class behavior varies. | ||
Each language has its own metaobject protocol, a set of rules that govern how objects, classes, and metaclasses interact. | Each language has its own metaobject protocol, a set of rules that govern how objects, classes, and metaclasses interact. | ||
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| + | [[Namespaces]] are often used to navigate between Metaclasses. | ||
Revision as of 07:58, 13 January 2012
In object-oriented programming, a metaclass is a class whose instances are classes. Just as an ordinary class defines the behavior of certain objects, a metaclass defines the behavior of certain classes and their instances. Not all object-oriented programming languages support metaclasses. Among those that do, the extent to which metaclasses can override any given aspect of class behavior varies. Each language has its own metaobject protocol, a set of rules that govern how objects, classes, and metaclasses interact.
Namespaces are often used to navigate between Metaclasses.
