{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"ast::Expr::BlockExpr(b)"}]}
                            ast::Expr::BlockExpr(b) => {
                        let is_empty_expr = arm.expr().is_none_or(|e| match e {
                                b.statements().next().is_none() && b.tail_expr().is_none()