NAME
Term::Fabulous::Widget::Table::Toggle - The marker that opens and closes a row or group of a table
DESCRIPTION
The small box in front of a tree row with children and of a group header of a Term::Fabulous::Widget::Table, which shows whether it is open and opens or closes it when it is clicked. line_key is the key of its line in the table's model. The table builds and changes it; do not change it.