code: func (t Typed) IntIf(key string) (int, bool) {
  	value, exists := t[key]
  	if exists == false {
  		return 0, false
  	}
  
  	switch t := value.(type) {
  	case int:
  		return t, true
  	case int16:
  		return int(t), true
  	case int32:
  		return int(t), true
  	case int64:
  		return int(t), true
  	case float64:
  		return int(t), true
  	case string:
  		i, err := strconv.Atoi(t)
  		return i, err == nil
  	}
  	return 0, false
  }
docs: // Returns an int at the key and whether
  // or not the key existed and the value was an int