Design Patterns in Modern C++20: Reusable Approaches for Object-Oriented Software Design

© Dmitri Nesteruk 2022

D. NesterukDesign Patterns in Modern C++20https://doi.org/10.1007/978-1-4842-7295-4_12

12. Proxy

Dmitri Nesteruk¹  

(1)

St. Petersburg, Russia

 

When we looked at the Decorator design pattern, we saw the different ways of enhancing the functionality of an object. The Proxy design pattern is similar, but its goal is to preserve exactly (or as closely as possible) the API that is being used while offering certain internal enhancements.

Proxy isn’t a homogeneous pattern because the different kinds of proxies people build are quite numerous and serve entirely different purposes. In this chapter, we’ll take a look at a selection of different proxy objects, and you can find more online and in literature.

Smart Pointers

The simplest and ...