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...

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

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...

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

example, SpamClass() or EggsClass()); the classes are instances of the metaclass type (which is an instance of itself), thereby allowing metaprogramming...

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...

Metaclass used to distinguish between cell forms...

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

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

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

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)...

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

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

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

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 Mock trainwreck...

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)...

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

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

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

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

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...

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

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

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

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...

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...

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...