code: function(views) {
      // If an array of views was passed it should be inserted into the
      // root view. Much like calling insertView without a selector.
      if (_.isArray(views)) {
        return this.setViews({ "": views });
      }
  
      _.each(views, function(view, selector) {
        views[selector] = _.isArray(view) ? view : [view];
      });
  
      return this.setViews(views);
    }
docs: Iterate over an object and ensure every value is wrapped in an array to ensure they will be inserted, then pass that object to `setViews`.