Is N Equal to None?

In C sharp in swift, they just have question mark at the end to say it's either can be none, or it can be its value. So that's a bit of a voting in the audience. Alvaro says, and or none, which is a voting for that one. Anthony says, I prefer optional of N equals none myself. Elvaro mentioned that you can use you can use from future import annotations to use the bar for everything on three eight and above.