Get the first key in the map. Returns null
if the map is empty.
Source
/**
* Get the first key in the map. Returns [:null:] if the map is empty.
*/
K firstKey() {
if (_root == null) return null;
return _first.key;
}
Get the first key in the map. Returns null
if the map is empty.
/**
* Get the first key in the map. Returns [:null:] if the map is empty.
*/
K firstKey() {
if (_root == null) return null;
return _first.key;
}