extern crate asio_sys as sys; fn main() { let asio = sys::Asio::new(); for driver in asio.driver_names() { println!("Driver: {}", driver); let driver = asio.load_driver(&driver).expect("failed to load drivers"); println!(" Channels: {:?}", driver.channels().expect("failed to get channels")); println!(" Sample rate: {:?}", driver.sample_rate().expect("failed to get sample rate")); } }