Design Patterns in .NET Core 3: Reusable Approaches in C# and F# for Object-Oriented Software Design

© Dmitri Nesteruk 2020

D. NesterukDesign Patterns in .NET Core 3https://doi.org/10.1007/978-1-4842-6180-4_5

5. Prototype

Dmitri Nesteruk¹  

(1)

St. Petersburg, c.St-Petersburg, Russia

 

The original version of this chapter was revised. A correction to this chapter is available at https://​doi.​org/​10.​1007/​978-1-4842-6180-4_​26

Think about something you use every day, like a car or a mobile phone. Chances are, it wasn’t designed from scratch; instead, the manufacturer chose an existing design, made some improvements, made it visually distinctive from the old design (so people could show off), and started selling it, retiring the old product. It’s a natural state of affairs, and in the software world, we get a similar situation: sometimes, instead of ...