{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"err.span_label(span,"}]}
            err.span_label(span, format!("not a {expected}"));
        Res::Def(DefKind::Variant, _) if let Some(expr) = expr => {
            let variant = tcx.expect_variant_res(res);