Composable class Outcome<F,S>

[kmruiz]

This is the signature for Outcome<Failure, Success> so we can verify that the implementation will be as expected.

If is there any improvement or you find that the interface lacks of a method that you would like to have, feel free to ask for it 😄 .

And I would like also to know if we want to have some functional methods that are quite common on those kind of 'monadic' behaviours. I'm thinking on:

• filter(Success -> Boolean)
• zipWith(Result<Failure, Success> result)

And maybe some interop with Java and vlingo:

• asOptional() Will return a Optional or None in case of Failure

• asCompletes() Will return a Completes or a failed Completes in case of Failure

New Methods

• getOrNull Returns the successs or null, as null is the default failure value for vlingo, to support this usage.

• otherwiseInto Transforms a Failure to a new outcome (that can be Success or Failure again)

[kmruiz]

So you have two options to handle failures:

• To recover, you can use otherwise that takes the cause of the failure, and returns a success value.
• To handle the error, but maybe not to recover, you can use otherwiseInto that receives the cause of the failure, and the return type is another Outcome, that can be a Success or a Failure itself.

[VaughnVernon]

Excellent! I think it would be great to add all of the above discussed method/functions that you recommended. I like the filter(...) but zipWith(...) doesn't speak to me (maybe not others, either). Can you think of a more fluent descriptive name for this? I also like asOptional() and asCompletes() and others. So please just do what you recommend, but maybe with one better name.