Class EllipsisType

mypy/types.py:3455–3471

The type ... (ellipsis). This is not a real type but a syntactic AST construct, used in Callable[..., T], for example. A semantically analyzed type will never have ellipsis types.

class EllipsisType(ProperType):
    """The type ... (ellipsis).

    This is not a real type but a syntactic AST construct, used in Callable[..., T], for example.

    A semantically analyzed type will never have ellipsis types.
    """

    __slots__ = ()

    def accept(self, visitor: TypeVisitor[T]) -> T:
        assert isinstance(visitor, SyntheticTypeVisitor)
        ret: T = visitor.visit_ellipsis_type(self)
        return ret

    def serialize(self) -> JsonDict:
        assert False, "Synthetic types don't serialize"


class TypeType(ProperType):