33     type Error;  typedef
36     fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error>;  in read_exact()
45     type Error;  typedef
48     fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error>;  in write_all()
51     fn flush(&mut self) -> Result<(), Self::Error>;  in flush()
56     type Error = std::io::Error;  typedef
59     fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {  in read_exact()
66     type Error = std::io::Error;  typedef
69     fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> {  in write_all()
74     fn flush(&mut self) -> Result<(), Self::Error> {  in flush()
81     type Error = R::Error;  typedef
84     fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {  in read_exact()
91     type Error = W::Error;  typedef
94     fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> {  in write_all()
99     fn flush(&mut self) -> Result<(), Self::Error> {  in flush()
111     type Error = EndOfFile;  typedef
114     fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {  in read_exact()
133     type Error = OutOfSpace;  typedef
136     fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> {  in write_all()
148     fn flush(&mut self) -> Result<(), Self::Error> {  in flush()
155     type Error = core::convert::Infallible;  typedef
158     fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> {  in write_all()
164     fn flush(&mut self) -> Result<(), Self::Error> {  in flush()