{"ast_node_type":"variable","tokens":[{"end":70,"kind":"keyword","start":0,"text":"let"}]}
        let own = &args[self.parent_count..][..self.own_params.len()];
    ) -> &'tcx [ty::GenericArg<'tcx>] {
        if self.has_self && self.parent.is_none() { &own[1..] } else { own }