double sum_total = 0;
    Job<Vector<double>> job;
    job.Start(DoSomeHeavyCalculationAndFillTheVector);

    //....

    if(job.IsFinishe() && !job.IsError()) {
       for(auto& e : ~job)          // Reference access to Vector. Data is not copied or moved. Vector is filled via a direct -yet safe- access.
             sum_total += e;        // And retrieved in same fashion as well. Note also that there is no requirement for the data type to be contained.
                                    // In fact, using One or Any, or Value, we can even differentiate between the job 
                                    // results for given operations in a single Job easily. :)
    }