whole_func_string: function() {
        var results = [parseInt(this.url.port, 10)];
        this.url.hostname && results.push(this.url.hostname);
        return results;
      }
func_code_string: function() {
        var results = [parseInt(this.url.port, 10)];
        this.url.hostname && results.push(this.url.hostname);
        return results;
      }
func_documentation_string: always returns an array due to http.listen(3000, '10.0.0.1');