code: func resourceVSphereComputeClusterApplyTags(d *schema.ResourceData, meta interface{}, cluster *object.ClusterComputeResource) error {
  	tagsClient, err := tagsClientIfDefined(d, meta)
  	if err != nil {
  		return err
  	}
  
  	// Apply any pending tags now
  	if tagsClient == nil {
  		log.Printf("[DEBUG] %s: Tags unsupported on this connection, skipping", resourceVSphereComputeClusterIDString(d))
  		return nil
  	}
  
  	log.Printf("[DEBUG] %s: Applying any pending tags", resourceVSphereComputeClusterIDString(d))
  	return processTagDiff(tagsClient, d, cluster)
  }
docs: // resourceVSphereComputeClusterApplyTags processes the tags step for both
  // create and update for vsphere_compute_cluster.