This name "rich result object" comes from blog-post-anatomy-of-a-service-object-in-rails
In Haskell, are these "maybes"?
In Rust, "Tuples can be used as ... return values".
Actually, Rust talks about a specific result object:
The Result<T, E> type is intended to be used to return the result of a computation, and to have the ability to return an error if it didn't work out.
In Ruby, you can use something like project-immutable-struct, which is described in further detail in blog-post-anatomy-of-a-service-object-in-rails
(from http://stackoverflow.com/questions/31192923/lists-vs-tuples-what-to-use-and-when here is an example)
"Contrast this with a typical use-case for tuples - returning {:ok, result} or {:error, reason} from a method - here the number of elements is known up-front and so you don't pay an unacceptable price for the performance improvements of Tuples."