Class HasRecursiveType

mypy/types.py:4091–4096

class HasRecursiveType(BoolTypeQuery):
    def __init__(self) -> None:
        super().__init__(ANY_STRATEGY)

    def visit_type_alias_type(self, t: TypeAliasType) -> bool:
        return t.is_recursive or self.query_types(t.args)


# Use singleton since this is hot (note: call reset() before using)