at a glance, the downside of `Pair<Result, Erro...

# getting-started

[danneu]

at a glance, the downside of Pair<Result, Error> is that it's not an enum so you can have weird state like Pair(42, new Exception("invalid")) (success and fail states both defined), and pair has a weak stdlib for things you usually wanna do with this sort of datatype, like .map and .mapError.