@Override
    public void merge(final Traverser.Admin<?> other) {
        super.merge(other);
        if (null != this.sack && null != this.sideEffects.getSackMerger())
            this.sack = this.sideEffects.getSackMerger().apply(this.sack, other.sack());
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/traverser/O_OB_S_SE_SL_Traverser.java