metaclasses specify the behaviors of classes and their instances. Not all object-oriented programming languages support the concept of metaclasses. For...

earliest implementations of the concept of metaclasses, and in particular explicit (as opposed to implicit) metaclasses. In the ObjVlisp model, "each entity...

Proposals (PEPs). Retrieved 20 November 2024. The Cain Gang Ltd. "Python Metaclasses: Who? Why? When?" (PDF). Archived from the original (PDF) on 30 May 2009...

themselves be classes. Similar to their role in programming languages, metaclasses in ontology languages can have properties otherwise applicable only to...

pre-processing step. Other assemblers, such as MASM, also support macros. Metaclasses are provided by the following programming languages: Common Lisp Python...

object-oriented languages, classes are first-class objects and are instances of metaclasses. Languages in the functional programming family often also feature first-class...

object-orientation features only class- and interface-based polymorphism. Metaclasses are first class objects. Objects are references to the objects (as in...

implement a design pattern or describe particular kinds of classes. Metaclasses are often used to describe frameworks. In some languages, such as Python...

PHP. php[architect]. ISBN 9781940111056. The Cain Gang Ltd. "Python Metaclasses: Who? Why? When?" (PDF). Archived from the original (PDF) on 30 May 2009...

derivative of MIT OTcl and is based on a dynamic object system with metaclasses influenced by CLOS. Class and method definitions in XOTcl are completely...

another influential AI programming language. For example, it introduced metaclasses and, along with Flavors and CommonLoops, influenced the Common Lisp Object...

out contradictions. Character classes are divided into four groups or "metaclasses": Warrior, Wizard, Priest, and Rogue. Each of these groups has a "base"...

Wolfgang Klas, Michael Schrefl (1995). "Semantic data modeling" In: Metaclasses and Their Application. Book Series Lecture Notes in Computer Science...

from Python's. Thoroughly object-oriented with inheritance, mixins and metaclasses Dynamic typing and duck typing Everything is an expression (even statements)...

tools, including a class library code browser/editor. Smalltalk-80 added metaclasses, to help maintain the "everything is an object" (except variables) paradigm...

July 22, 2009, at the Wayback Machine. "Semantic data modeling" In: Metaclasses and Their Application. Book Series Lecture Notes in Computer Science...

classes, functions, numbers and modules. Python also has support for metaclasses, an advanced tool for enhancing classes' functionality. Naturally, inheritance...

(2005), ISBN 1-932394-18-4 Ira R. Forman and Scott Danforth, Putting Metaclasses to Work (1999), ISBN 0-201-43305-2 Reflection in logic, functional and...

Python developer would need to. More advanced run-time constructs such as metaclasses and introspection are often harder to use in statically typed languages...

definitions Metamodeling with arbitrarily many abstraction levels (metaclasses, meta metaclasses) ConceptBase implements O-Telos, which is a variant of the knowledge...

Aspects Workshop (103–119). Ira R. Forman; Scott Danforth (1999). Putting Metaclasses to Work. ISBN 0-201-43305-2. Tutorial on inheritance usage in Eiffel...

and are themselves instances of classes called metaobject classes (metaclasses for short). Readtables are a type of object which control how Common...

study group (SG21) has been formed to work on a new proposal Reflection Metaclasses Executors Networking extensions, including async, basic I/O services...

generic-functions and methods themselves as instances of metaclasses, and allows the definition of new metaclasses and the modification of all CLOS behavior. The...

Switzerland) Supports object-oriented programming with inheritance, mixins and metaclasses Dynamic typing and duck typing Literal notation for arrays and structs...

also supports some less common features such as multiple inheritance, metaclasses and dynamic dispatching, which had led most SOM/COM-like systems to be...

or base class, as known by object-oriented programmers, for all the metaclasses in the UML infrastructure library. All other elements in the UML inherit...

Dynamic inheritance Objects as methods Optional Green threads Customizable metaclasses Easy to use proxy objects Pharo is based on general concepts of Smalltalk...

Logtalk's major features include support for both classes (with optional metaclasses) and prototypes, parametric objects, protocols (interfaces), categories...

specified as a UML profile abstract syntax (i.e. extensions of UML 2.1 metaclasses). MODAF differs from DoDAF however, so the MODAF Meta-Model is not suitable...