Treatment reduce
std/ops/option/block::reduce
Generics
◻ T (any)
Inputs
⇥ none: Block<void>
⇥ value: Block<T>
Outputs
↦ option: Block<Option<T>>
Reduce an option
Takes either value or none and emit the corresponding option.
ℹ️ This treatment aims to be used in conjuction with map.