code: func (l *List) Index() int {
  	selected := l.scope[l.cursor]
  
  	for i, item := range l.items {
  		if item == selected {
  			return i
  		}
  	}
  
  	return NotFound
  }
docs: // Index returns the index of the item currently selected inside the searched list. If no item is selected,
  // the NotFound (-1) index is returned.