{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
        let expr = cx.expr_call_global(span, fn_path_write_str, thin_vec![fmt, name]);
        let fn_path_write_str = cx.std_path(&[sym::fmt, sym::Formatter, sym::write_str]);
        BlockOrExpr::new_expr(expr)