removeArrow method
Implementation
void removeArrow(ArrowElementState arrow) {
if (_elements[arrow.widget.id] == arrow) {
_elements.remove(arrow.widget.id);
}
if (mounted) {
notifyListeners();
}
}
void removeArrow(ArrowElementState arrow) {
if (_elements[arrow.widget.id] == arrow) {
_elements.remove(arrow.widget.id);
}
if (mounted) {
notifyListeners();
}
}