Type Alias StepResult 

pub type StepResult<S> = Result<(S, Outcome), StepError>;

The result of running a step: a new state plus what to do next.

Aliased Type

pub enum StepResult<S> {
    Ok((S, Outcome)),
    Err(StepError),
}

Variants

Ok((S, Outcome))

Contains the success value

Err(StepError)

Contains the error value