{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"debug_assert!(expected.is_ref());"}]}
        debug_assert!(expected.is_ref());
    fn should_peel_ref(&self, peel_kind: PeelKind, mut expected: Ty<'tcx>) -> bool {
        let pat_ref_layers = match peel_kind {