In object-oriented programming, a metaclass is a class whose instances are classes themselves. Unlike ordinary classes, which define the behaviors of...
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Class (computer programming) (section Metaclass)
access the function's automatic variables. A metaclass is a class where instances are classes. A metaclass describes a common structure of a collection...
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is created, a corresponding metaclass is created automatically; it does not have a name independent of that of the metaclass for which it was created–metaclasses...
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Look up metaclass in Wiktionary, the free dictionary. In programming languages, a metaclass is a class whose instances are classes. Metaclass may also...
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In knowledge representation, particularly in the Semantic Web, a metaclass is a class whose instances can themselves be classes. Similar to their role...
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example, SpamClass() or EggsClass()); the classes are instances of the metaclass type (which is an instance of itself), thereby allowing metaprogramming...
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in Groovy goes through the metaclass registry. The changed code can only be accessed from Java by going to the metaclass registry. Groovy also allows...
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(method calls) Smalltalk, Objective-C, Common Lisp first-class class metaclass and metaobject Smalltalk, Objective-C, Ruby, Python, Delphi, Common Lisp...
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abstractmethod NOT_IMPLEMENTED = "You should implement this." class CarElement(metaclass=ABCMeta): @abstractmethod def accept(self, visitor): raise...
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connected." CONNECT_FIRST = "Connect {} first." class RechargeTemplate(metaclass=ABCMeta): @abstractmethod def recharge(self): raise NotImplementedError(NOT_IMPLEMENTED)...
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an instance of the metaclass of that class. Metaclasses in turn are also objects, and are all instances of a class named Metaclass. Classes contain method...
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which does not possess a native metaobject protocol. Kind (type theory) Metaclass Javassist Joose JavaScript meta object system Moose Perl meta object system...
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abstractmethod NOT_IMPLEMENTED = "You should implement this." class DrawingAPI: __metaclass__ = ABCMeta @abstractmethod def draw_circle(self, x, y, radius): raise...
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Archived from the original on 6 January 2006. Retrieved 5 May 2018. "MetaclassTalk: Reflection and Meta-Programming in Smalltalk". Archived from the...
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TRttiInstanceType; Foo := RttiType.GetMethod('Create').Invoke(RttiType.MetaclassType, []).AsObject; try RttiType.GetMethod('Hello').Invoke(Foo, []); finally...
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contents of a class: Attributes, Methods, and Inner classes Message passing Metaclass Metaprogramming Method (computer programming) Mixin Mock object Mock trainwreck...
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TRttiInstanceType; Subject := RttiType.GetMethod('Create').Invoke(RttiType.MetaclassType, []).AsObject; try RttiType.GetMethod('Hello').Invoke(Subject, []);...
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partition classes, then the partition is called an exhaustive partition. Metaclass (Semantic Web) Ontology Ontology components Description logic Type-token...
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a list of slots (member variables in C++/Java parlance) and a special metaclass. Slots can be allocated by class (all instances of a class share the slot)...
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even classes. Classes, as objects, have a class, which is known as their metaclass. Python also supports multiple inheritance and mixins. The language supports...
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2017), Package Merge is no longer used within the specification. "Every metaclass is specified completely in one clause." Package: a general purpose mechanism...
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Unified Modeling Language (UML) of the Object Management Group (OMG) Metaclass (Semantic Web), a featured allowed by OWL to represent knowledge Multimedia...
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eigenvector and eigenspace in mathematics and physics Eigenclass, synonym to metaclass in the Ruby programming language Eigenbehaviour, with its connection to...
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languages). A class has a constructor and a destructor. A class has a metaclass. An attribute is a property of the class that defines it. An attribute...
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cyclic, recursive and shared structures, storage/retrieval of class and metaclass info and include mechanisms for "on the fly" object migration (i.e. to...
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subclassing. A class has a constructor and a destructor. A class has a metaclass. A class has zero or more method modifiers. These modifiers can apply...
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All objects are instances of a class, and classes are instances of a MetaClass object. As in LISP, there are no statements, and every line in a ScriptX...
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many objects in Inform do not inherit from any class, other than the "metaclass" Object. However, objects very frequently have attributes (boolean properties...
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interpreter to define a new class. After the class name, options such as METACLASS, SUBCLASS, MIXINCLASS, ABSTRACT and INHERIT can be set in order to use...
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