def get_index_var_arg(self) -> Var:
        """Get the index var for the tag (without curly braces).

        This is used to render the index var in the .map() function.

        Returns:
            The index var.
        """
        return Var(
            _js_expr=self.index_var_name,
            _var_type=int,
        ).guess_type()
Get the index var for the tag (without curly braces).

        This is used to render the index var in the .map() function.

        Returns:
            The index var.
        
reflex/components/tags/iter_tag.py