Method _visit

mypy/indirection.py:25–36

(self, typ: types.Type)

        return self.modules

    def _visit(self, typ: types.Type) -> None:
        # Note: instances are needed for `class str(Sequence[str]): ...`
        if (
            isinstance(typ, types.TypeAliasType)
            or isinstance(typ, types.ProperType)
            and isinstance(typ, types.Instance)
        ):
            # Avoid infinite recursion for recursive types.
            if typ in self.seen_types:
                return
            self.seen_types.add(typ)
        typ.accept(self)

    def _visit_type_tuple(self, typs: tuple[types.Type, ...]) -> None:
        # Micro-optimization: Specialized version of _visit for lists