code: func pairs(values ...interface{}) (map[interface{}]interface{}, error) {
  	if len(values)%2 != 0 {
  		return nil, errors.New("Missing value on key/value Pairs call")
  	}
  	pairs := make(map[interface{}]interface{})
  	for i := 0; i < len(values); i += 2 {
  		key := values[i]
  		pairs[key] = values[i+1]
  	}
  	return pairs, nil
  }
docs: ///////////////////////////////////