Enum DriveOutcome 

pub enum DriveOutcome<Id, R, A, Y, I> {
    Continue(WorkReceipt<Id>),
    Return(R, WorkReceipt<Id>),
    Raise(A, WorkReceipt<Id>),
    Yield(Y, WorkReceipt<Id>),
    Interrupt(I, WorkReceipt<Id>),
}

A completed or suspended iterative drive.

Variants

Continue(WorkReceipt<Id>)

Work was exhausted with explicit guest frames still runnable.

Return(R, WorkReceipt<Id>)

The outermost guest frame returned.

Raise(A, WorkReceipt<Id>)

An instruction raised an abrupt outcome.

Yield(Y, WorkReceipt<Id>)

An instruction cooperatively yielded.

Interrupt(I, WorkReceipt<Id>)

An instruction requested interruption.