What are immutable collections in C# and how do I use them?

What are immutable collections in C# and how do I use them?

Immutable collections in C# are collections that cannot be modified after they are created. You can use them to ensure data integrity.

Can you give me an example of creating an immutable list?

Sure! You can create an immutable list using ImmutableList<T>.Create() method. Here's an example: var immutableList = ImmutableList.Create(1, 2, 3);.

How do I add an item to an immutable collection?

You can't modify an immutable collection directly, but you can create a new collection with the added item using methods like Add() which returns a new instance.

What are the benefits of using immutable collections?

Benefits include thread safety, easier reasoning about code, and preventing accidental changes to data.