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  2. Curiously recurring template pattern - Wikipedia

    en.wikipedia.org/wiki/Curiously_recurring...

    The curiously recurring template pattern (CRTP) is an idiom, originally in C++, in which a class X derives from a class template instantiation using X itself as a template argument. [1] More generally it is known as F-bound polymorphism , and it is a form of F -bounded quantification .

  3. Barton–Nackman trick - Wikipedia

    en.wikipedia.org/wiki/Barton–Nackman_trick

    The adjective restricted in the idiom name refers to the fact that the provided in-class function definition is restricted (only applies) to specializations of the given class template. The term is sometimes mistakenly used to refer to the curiously recurring template pattern (CRTP). As explained above, the Barton–Nackman trick is, instead, a ...

  4. Template (C++) - Wikipedia

    en.wikipedia.org/wiki/Template_(C++)

    A class template provides a specification for generating classes based on parameters. Class templates are generally used to implement containers. A class template is instantiated by passing a given set of types to it as template arguments. [5] The C++ Standard Library contains many class templates, in particular the containers adapted from the ...

  5. Decorator pattern - Wikipedia

    en.wikipedia.org/wiki/Decorator_pattern

    The decoration features (e.g., methods, properties, or other members) are usually defined by an interface, mixin (a.k.a. trait) or class inheritance which is shared by the decorators and the decorated object. In the previous example, the class Component is inherited by both the ConcreteComponent and the subclasses that descend from Decorator.

  6. Template method pattern - Wikipedia

    en.wikipedia.org/wiki/Template_method_pattern

    In object-oriented programming, the template method is one of the behavioral design patterns identified by Gamma et al. [1] in the book Design Patterns.The template method is a method in a superclass, usually an abstract superclass, and defines the skeleton of an operation in terms of a number of high-level steps.

  7. Modern C++ Design - Wikipedia

    en.wikipedia.org/wiki/Modern_C++_Design

    Policy-based design, also known as policy-based class design or policy-based programming, is the term used in Modern C++ Design for a design approach based on an idiom for C++ known as policies. It has been described as a compile-time variant of the strategy pattern, and has connections with C++ template metaprogramming.

  8. Composition over inheritance - Wikipedia

    en.wikipedia.org/wiki/Composition_over_inheritance

    Composition over inheritance (or composite reuse principle) in object-oriented programming (OOP) is the principle that classes should favor polymorphic behavior and code reuse by their composition (by containing instances of other classes that implement the desired functionality) over inheritance from a base or parent class. [2]

  9. Entity component system - Wikipedia

    en.wikipedia.org/wiki/Entity_component_system

    Unity's layout has tables each with columns of components. In this system an entity type is based on the components it holds. For every entity type there is a table (called an archetype) holding columns of components that match the components used in the entity. To access a particular entity one must find the correct archetype (table) and index ...