What's the strangest corner case you've seen in C# or .NET? [closed]

Answer 1

Assign This!

---

This is one that I like to ask at parties (which is probably why I don't get invited anymore):

Can you make the following piece of code compile?

    public void Foo()
    {
        this = new Teaser();
    }

An easy cheat could be:

string cheat = @"
    public void Foo()
    {
        this = new Teaser();
    }
";

But the real solution is this:

public struct Teaser
{
    public void Foo()
    {
        this = new Teaser();
    }
}

So it's a little know fact that value types (structs) can reassign their this variable.