Abort
Abort<V, E>(E) aborts a computation of type V with an error E.
When aborted, a computation is halted: any map or flat_map operation over it will not be executed.
The AbortHandler replaces aborted effects (where Abort was called) with a Result<V, E>. If the effect was never aborted, a Result<V, E> is returned.
See the implementation and tests in the fx-rs codebase for details.