You could actually, iirc if f takes as many parameters as g returns it works out. In a better langage f would take a Result, and then it can manipulate that ho

You could actually, iirc if f takes as many parameters as g returns it works out. In a better langage f would take a Result, and then it can manipulate that however it wants. Obviously you can also plug in adapters if you need some other composition e.g. g().map(f), g().and_then(f), …