code: func (j *JSON) Int(name string) (int, error) {
  	v, err := j.value(name)
  	if err != nil {
  		return 0, err
  	}
  
  	f, ok := v.(float64)
  	if !ok {
  		return 0, errors.New(fmt.Sprintf("%T unable", v))
  	}
  
  	return int(f), nil
  }
docs: // Int returns an int if it exists within the marshalled JSON io.Reader.