# Introduction Welcome to **Implementing an Object-Oriented Design Pattern**. This lab is a part of the [Rust Book](https://doc.rust-lang.org/book/). You can practice your Rust skills in LabEx. In this lab, we will implement the state pattern in an object-oriented design to create a blog post struct that transitions through different states (draft, review, and published) based on its behavior, ensuring that only published blog posts can return content.
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