pub fn stop(&self) {
        if let Runtime::Local(r) = self {
            r.stop();
        }
    }
/// Clean up the run times (if any clean up is needed)
Clean up the run times (if any clean up is needed)
Clean up the run times ( if any clean up is needed )
pub fn stop(&self) {
        if let Runtime::Local(r) = self {
            r.stop();
        }
    }
pub fn stop ( & self ) { if let Runtime :: Local ( r ) = self { r . stop ( ) ; } }
Clean up the run times (if any clean up is needed)
Clean up the run times ( if any clean up is needed )
&self
&self