32 pub struct Error {  struct
33     error_type: ErrorType,  argument
36 impl Error {  implementation
37     fn new(error_type: ErrorType) -> Error {  in new()
42 impl error::Error for Error {}  implementation
44 impl fmt::Display for Error {  implementation
54 impl From<io::Error> for Error {  implementation
55     fn from(io_err: io::Error) -> Error {  in from()
202     ) -> Result<(), Error> {  in init_shm()  argument
209     fn wait_request_data(&mut self) -> Result<(), Error> {  in wait_request_data()  argument
219     fn wait_data_ready(&mut self) -> Result<u32, Error> {  in wait_data_ready()  argument
254     fn next_playback_buffer(&mut self) -> Result<PlaybackBuffer, Box<dyn error::Error>> {  in next_playback_buffer()
270     fn next_capture_buffer(&mut self) -> Result<CaptureBuffer, Box<dyn error::Error>> {  in next_capture_buffer()