{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"let"}]}
        let parent_node = self.tcx.hir_parent_iter(expr.hir_id).find(|(_, node)| {
    fn suggest_array_len(&self, expr: &'tcx hir::Expr<'tcx>, array_len: u64) {
            !matches!(node, hir::Node::Expr(hir::Expr { kind: hir::ExprKind::AddrOf(..), .. }))