It will return the result as a Dry::Monads::Result object which can be either successful or failure.

bind applies unwrapped Success value to the block, which should return a Result object. No-op on Failure

Building a Maybe in JavaScript

In 1980 Joachim Lambek showed that the types and programs used in computerscience form a specific kind of category. This provided a new semantics for talking aboutprograms, allowing people to investigate how programs combine and compose to createother programs, without caring about the specifics of implementation. Eugenio Moggibrought the category theoretic notion of monads into computer science to encapsulateideas that up to that point were considered outside the realm of such theory.