23 pub enum ReadCmdError {  enum
34 impl fmt::Display for ReadCmdError {  implementation
36         use self::ReadCmdError::*;  in fmt()
46 impl std::error::Error for ReadCmdError {}  implementation
48 impl From<io::Error> for ReadCmdError {  implementation
49     fn from(e: io::Error) -> ReadCmdError {  in from()  argument
50         ReadCmdError::IoError(e)  in from()
123     pub fn from_reader(r: &'a mut Reader) -> Result<Self, ReadCmdError> {  in from_reader()  argument
124         use self::ReadCmdError::*;  in from_reader()
282                         return Err(ReadCmdError::UnsupportedCtrlType(t));  in from_reader()
295                         return Err(ReadCmdError::UnsupportedCtrlType(t));  in from_reader()
323                         return Err(ReadCmdError::UnsupportedCtrlType(t));  in from_reader()
331             _ => return Err(ReadCmdError::InvalidCmdType(hdr.type_.into())),  in from_reader()