/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ macro_rules! try_opt { ($expr:expr, $err_type:expr, $err_msg:expr) => {{ match $expr { Some(x) => x, None => return Err(WebDriverError::new($err_type, $err_msg)), } }}; }