pub fn wall_nanos(&self) -> Option<usize> {
        match self {
            Self::Creating => None,
            Self::Running { .. } => None,
            Self::Complete { wall_nanos, .. } => Some(*wall_nanos),
        }
    }
/// If the job has competed, returns the total amount of wall clock time
/// spent executing futures
If the job has competed, returns the total amount of wall clock time
spent executing futures
If the job has competed returns the total amount of wall clock time spent executing futures
pub fn wall_nanos(&self) -> Option<usize> {
        match self {
            Self::Creating => None,
            Self::Running { .. } => None,
            Self::Complete { wall_nanos, .. } => Some(*wall_nanos),
        }
    }
pub fn wall_nanos ( & self ) -> Option < usize > { match self { Self :: Creating => None , Self :: Running { .. } => None , Self :: Complete { wall_nanos , .. } => Some ( * wall_nanos ) , } }
If the job has competed, returns the total amount of wall clock time
spent executing futures
If the job has competed returns the total amount of wall clock time spent executing futures
&self
&self