design – Develop In Progress

Visitor Pattern Explained – Part 2: Practical Example

Posted on February 4, 2019February 4, 2019

In the first part of the Visitor Pattern series, we have looked at an illustrative example of the Visitor. In this second part, we will go through a practical example of how to use the visitor pattern. We will also discuss how to pass arguments to the visitor, and how can a visitor return a value. After all […]

Design Patterns

Visitor Pattern Explained – Part 1: Who is the Visitor

Posted on April 21, 2018April 23, 2018

You may have already heard of the Visitor Pattern. You may have also used it in one of your projects. But have you ever wondered why it was called the Visitor pattern, and how is the name tied to its intended use? I wondered that as well. After using the visitor pattern in a number […]