In object-oriented programming, a metaclass is a class whose instances are classes themselves. Unlike ordinary classes, which define the behaviors of...

In knowledge representation, particularly in the Semantic Web, a metaclass is a class whose instances can themselves be classes. Similar to their role...

Look up metaclass in Wiktionary, the free dictionary. In programming languages, a metaclass is a class whose instances are classes. Metaclass may also...

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...

access the function's automatic variables. A metaclass is a class where instances are classes. A metaclass describes a common structure of a collection...

Metaclass used to distinguish between cell forms...

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...

(method calls) Smalltalk, Objective-C, Common Lisp first-class class metaclass and metaobject Smalltalk, Objective-C, Ruby, Python, Delphi, Common Lisp...

example, SpamClass() or EggsClass()), and the classes are instances of the metaclass type (itself an instance of itself), allowing metaprogramming and reflection...

abstractmethod NOT_IMPLEMENTED = "You should implement this." class DrawingAPI: __metaclass__ = ABCMeta @abstractmethod def draw_circle(self, x, y, radius): raise...

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...

connected." CONNECT_FIRST = "Connect {} first." class RechargeTemplate(metaclass=ABCMeta): @abstractmethod def recharge(self): raise NotImplementedError(NOT_IMPLEMENTED)...

[O]) // select O = [Z, K1, C, K3, A, K2, B, D, E, O] // done. First, a metaclass to enable a short representation of the objects by name instead of the...

abstractmethod NOT_IMPLEMENTED = "You should implement this." class CarElement(metaclass=ABCMeta): @abstractmethod def accept(self, visitor): raise...

eigenvector and eigenspace in mathematics and physics Eigenclass, synonym to metaclass in the Ruby programming language Eigenbehaviour, with its connection to...

Unified Modeling Language (UML) of the Object Management Group (OMG) Metaclass (Semantic Web), a featured allowed by OWL to represent knowledge Multimedia...

Archived from the original on 6 January 2006. Retrieved 5 May 2018. "MetaclassTalk: Reflection and Meta-Programming in Smalltalk". Archived from the...

which does not possess a native metaobject protocol. Kind (type theory) Metaclass Javassist Joose JavaScript meta object system Moose Perl meta object system...

2017), Package Merge is no longer used within the specification. "Every metaclass is specified completely in one clause." Package: a general purpose mechanism...

features, such as attributes or methods. A classifier is an abstract metaclass classification concept that serves as a mechanism to show interfaces,...

Related topics Abstract data type Boxing Data structure Generic Kind metaclass Parametric polymorphism Primitive data type Interface Subtyping Type constructor...

(objects) are children of the given parent. In UML 2.x, a powertype is a metaclass whose instances are subclasses of a given class. The stereotype has been...

TRttiInstanceType; Subject := RttiType.GetMethod('Create').Invoke(RttiType.MetaclassType, []).AsObject; try RttiType.GetMethod('Hello').Invoke(Subject, []);...

contents of a class: Attributes, Methods, and Inner classes Message passing Metaclass Metaprogramming Method (computer programming) Mixin Mock object Model–view–controller...

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)...

cyclic, recursive and shared structures, storage/retrieval of class and metaclass info and include mechanisms for "on the fly" object migration (i.e. to...

even classes. Classes, as objects, have a class, which is known as their metaclass. Python also supports multiple inheritance and mixins. The language supports...

TRttiInstanceType; Foo := RttiType.GetMethod('Create').Invoke(RttiType.MetaclassType, []).AsObject; try RttiType.GetMethod('Hello').Invoke(Foo, []); finally...

partition classes, then the partition is called an exhaustive partition. Metaclass (Semantic Web) Ontology Ontology components Description logic Type-token...

many objects in Inform do not inherit from any class, other than the "metaclass" Object. However, objects very frequently have attributes (boolean properties...