Result[S: (Any #read & Equatable[S]), optional D: Any #share, optional V: Any #share]¶
The result of a parse attempt, either successful or failed.
type Result[S: (Any #read & Equatable[S]), optional D: Any #share, optional V: Any #share] is
(Success[S, D, V] box | Failure[S, D, V] box)