undoNavigation method
Implementation
@override
T undoNavigation() {
assert(canUndo());
final temp = currentNavigation;
currentNavigation = previousNavigation;
previousNavigation = temp;
return currentNavigation!;
}
@override
T undoNavigation() {
assert(canUndo());
final temp = currentNavigation;
currentNavigation = previousNavigation;
previousNavigation = temp;
return currentNavigation!;
}