Method ensure

src/pointers/base_pointers.py:60–79

Ensure that the pointer is not null. Raises: NullPointerError: Address of pointer is `None` Returns: Address of the pointer. Example: ```py ptr = to_ptr(NULL) address = ptr.ensure() # NullPointerError

(self)

    @final
    def ensure(self) -> int:
        """Ensure that the pointer is not null.

        Raises:
            NullPointerError: Address of pointer is `None`

        Returns:
            Address of the pointer.

        Example:
            ```py
            ptr = to_ptr(NULL)
            address = ptr.ensure()  # NullPointerError
            ptr >>= 1
            address = ptr.ensure()  # works just fine
            ```"""

        if not self.address:
            raise NullPointerError("pointer is NULL")
        return self.address


class Movable(ABC, Generic[T, A]):