{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
            let ar = super::LLVMRustOpenArchive(s.as_ptr()).ok_or_else(|| {
            let s = path_to_c_string(dst);
                super::last_error().unwrap_or_else(|| "failed to open archive".to_owned())