What are some common mistakes with generics in C#?

What are some common mistakes developers make when using generics in C#?

Some common mistakes include not understanding type constraints, using non-generic collections, and overusing generics.

Can you explain what type constraints are?

Type constraints in generics restrict the types that can be used as arguments. For example, you can specify that a type must implement a certain interface.

What happens if I don't use type constraints?

Without type constraints, you may encounter runtime errors or unexpected behavior, as the compiler can't enforce type safety.

Are there performance issues with generics?

Yes, while generics can improve performance by reducing boxing and unboxing, improper use can lead to increased memory usage.

How can I avoid these mistakes?

To avoid mistakes, always review the documentation, use type constraints wisely, and test your code thoroughly.