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

Python Softtware Foundation. 20 May 2019. The Cain Gang Ltd. "Python Metaclasses: Who? Why? When?" (PDF). Archived from the original (PDF) on 30 May 2009...

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

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

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

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

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

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

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

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

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

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

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

(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...

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

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

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

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

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

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

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

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

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...

encapsulation, messaging, polymorphism, inheritance and multiple inheritance (metaclasses and mix-in classes) Includes interfaces to DB2, TCP/IP sockets and C/C++...

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

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

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

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

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...

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