code: function(/* objs */){
        var dest = _.some(arguments) ? {} : null;
  
        if (truthy(dest)) {
          _.extend.apply(null, concat.call([dest], _.toArray(arguments)));
        }
  
        return dest;
      }
docs: Merges two or more objects starting with the left-most and applying the keys right-word {any:any}* -> {any:any}