if there is Some(f : (A)->B), how I can make f work on another Some object? since map, ap, and fl...

# arrow

[Ifvwm]

if there is Some(f : (A)->B), how I can make f work on another Some object? since map, ap, and flatMap all takes a function

[Patrick Louis]

If you have Some((A)->B) and Some(A)

Some(A).ap(Some((A)->B))

will produce a Some(B)
See https://arrow-kt.io/docs/0.10/arrow/typeclasses/applicative/#kindf-aap