Advanced C# Generics for Unity Developers: Variance Demystified
git-amend
Jun 1, 2025 13:00
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C# Generics are powerful — but when it comes to real-world Unity development, concepts like variance often feel like hidden compiler magic. In this video, we demystify invariance, covariance, and contravariance using Unity-specific examples: MonoBehaviour components, factories, delegates, and more. You’ll learn not just what the in and out keywords do, but why they exist, how method group conversions behave differently from delegate assignments, and how understanding variance can make your code safer, more flexible, and more expressive.
Learn more about Covariance and Contravariance:
https://learn.microsoft.com/en-us/archive/blogs/ericlippert/covariance-and-contravariance-in-c-part-one
https://www.youtube.com/watch?v=Wp5iYQqHspg
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