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Slow Down, Compose Yourself

Description

As your codebase grows, you will have instances where you have code that needs to be reused. Then you think, I can do this with subclassing! Now you have a diamond-tree of problems.

Here, we’ll talk about a better way of code reuse and introducing alternate behaviour into existing classes — composition. It’ll improve how you test your code — making your test runs faster, making it easier to test exceptional cases, and making everything easier to understand.

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