{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"zipped_decls.push_str(&format!(\"{indents}let"}]}
                    zipped_decls.push_str(&format!("{indents}let {pat} = {expr};\n"));
                for (pat, expr) in itertools::izip!(tuple_pat.fields(), tuple_init.fields()) {
                }