<=>

Let's come up with more operators and make a Touring-complete language out of them!

I'll start with the classic one, the spaceship operator:

<=>, for operands a and b: returns true if a is less than b, if a is greater than b, and if a is equal to b.  Otherwise false.

<=> should return False if at least one of it's operands is NaN, otherwise True.  Ignorant faggets.