@rule('<STR_LIT>')<EOL><INDENT>def visit_all_args(self, _, children):<DEDENT>
return children[<NUM_LIT:0>] + children[<NUM_LIT:2>]<EOL>
Unnamed and named arguments of a filter.

        Arguments
        ---------
        _ (node) : parsimonious.nodes.Node.
        children : list
            - o: list of instances of ``.resources.PosArg``.
            - 1: list of instances of ``.resources.NamedArg``.

        Returns
        -------
        list(.resources.Arg)
            List of  instances of subclasses of ``.resources.Arg``.

        Example
        -------

        >>> ArgsParserMixin(r'1, foo="bar"', default_rule='ALL_ARGS').data
        [1, foo="bar"]
        >>> ArgsParserMixin(r'1, 2,foo="bar", bar="qux"', default_rule='ALL_ARGS').data
        [1, 2, foo="bar", bar="qux"]