at a glance the downside of `Pair lt Result Error gt ` is th kotlinlang #getting-started

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

danneu

02/05/2017, 8:51 AM

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