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13 de sept. de 2011 · Yes. A non-virtual destructor signifies that a class should not be used as a base-class. Not really; a non-virtual destructor signifies that deleting an instance of derived via a base pointer will not work. For example: class Base {}; class Derived : public Base {}; Base* b = new Derived; delete b; // Does not call Derived's destructor!
The non-virtual interface pattern (NVI) controls how methods in a base class are overridden. Such methods may be called by clients and overridable methods with core functionality. It is a pattern that is strongly related to the template method pattern.
7 de may. de 2019 · The NVI, or Non-Virtual Interface design pattern, is in a way a mechanism to extend the functionality of a function, just alike inheritance allow classes to be extended. It’s one way of implementing the strategy pattern.
3 de sept. de 2022 · Non-Virtual Interface (NVI) idiom allows us to refactor before and after code fragments at one convenient location - the base class. The NVI idiom is based on 4 guidelines outlined by Herb Sutter in his article named "Virtuality"[2].
24 de ago. de 2022 · The Non-Virtual Interface is a way of implementation specific to C++. It decouples the public interface by making it non-virtual, from functions that are providing customization points. It’s all about making complex things simpler - that is our job as developers.
7 de nov. de 2019 · By default, methods are non-virtual, and they cannot be overridden. Virtual modifiers cannot be used with static, abstract, private, and override modifiers. Let's demonstrate this with a code example.
13 de may. de 2024 · Join me on an introductory journey into polymorphism that doesn't use class inheritance and virtual functions. I'll share my amazement at how polymorphism permeates C++. Then we'll visit the long-used Curiously Recurring Template Pattern (CRTP) with its modernization using implicit this.
