Ref provides a mutable reference which is non-blocking, pure, and atomic.

Favoring stateless functions and pushing I/O the edge of your application can make your code easier to test and reason about.

You may have heard about the benefits of immutable objects, especially from the functional programming crowd. But creating and working with immutable objects in a language like C# can be tricky.

Null references can be a source of subtle bugs in software. Maybe is a tool that, while deceptively similar, provides much greater safety.