Covariance and Contravariance Clearly Explained in C# - A Deeper Look 

Covariance and Contravariance can be understood easier if you learn it by practical examples despite their complexity in the first look. In this video, we'll finally understand Covariance and Contravariance in C# and then we will expand our knowledge with inspecting them in the world of Generics!
So we'll learn about generic types and C# "in" keyword and C# out keyword in the context of variance.
What is Covariance in C#?
What is ContraVariance in C#?
👉 Jump forward
🔗 Intro: 0:00
🔗 Func and Action 0:42
🔗 Defining our types: 1:39
🔗 Covariant: 3:02
🔗 Contravariant: 4:37
🔗 Covariant Generic Type Parameter: 6:59
🔗 Contravariant Generic Type Parameter: 9:36
🔗 Covariance Generics in .NET: 11:34
🔗 Real-World Example: 12:18
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I've used .NET Core 3.1 and C# 8.0 in this video.
😀If you have any question ask me in the comments
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#covariance #contravaiance #csharp