def new_iterator() -> Iterator:
return Iterator() # shouldn't compile
def list_iterator(x: int) -> Iterator:
return Iterator(x)
def has_next(x: Collection) -> bool:
return Iterator(x).next()
def dict_iterator(x: Dict[Any, Any]) -> Iterator:
return Iterator(x)
def concat_iterators(x: List[str], y: Dict[int, bool]) -> Iterator:
it1 = Iterator(x)
it2 = Iterator(y)
return it1.concat(it2)
def concat_iterators(x: list, y: dict) -> Iterator:
it1 = Iterator(x)
it2 = Iterator(y)
return it1.concat(it2)
def dict_iterator(x: Dict[Any, int]) -> str:
it = Iterator(x)
it.next()
return it.value
def concat_iterators(x: list) -> Iterator:
it1 = Iterator(x)
return it1.concat(42)
def list_iterator(x: List[Any]) -> Iterator:
return Iterator(x)