In the space of floats, you are dividing by zero. To map back to the space of numbers you have to check. It's nice, though; inf and NaN sentinels give you the b

In the space of floats, you are dividing by zero. To map back to the space of numbers you have to check. It's nice, though; inf and NaN sentinels give you the behavior of a monadic `Result | Error` pipeline without having to wrap your numbers in another abstraction.