Method function_type

mypy/semanal.py:6957–6960

(self)

        return self._str_type

    def function_type(self) -> Instance:
        if self._function_type is None:
            self._function_type = self.named_type("builtins.function")
        return self._function_type

    def named_type(self, fullname: str, args: list[Type] | None = None) -> Instance:
        sym = self.lookup_fully_qualified(fullname)