removeLast method Null safety
override
Removes and returns the last object in this list.
The list must be growable and non-empty.
Implementation
E removeLast() {
throw new UnsupportedError("Cannot remove from immutable List.");
}Removes and returns the last object in this list.
The list must be growable and non-empty.
E removeLast() {
throw new UnsupportedError("Cannot remove from immutable List.");
}