15 pub struct Error(i32);  struct
16 pub type Result<T> = result::Result<T, Error>;
18 impl Error {  implementation
20     pub fn new(e: i32) -> Error {  in new()  argument
21         Error(e)  in new()
28     pub fn last() -> Error {  in last()
29         Error(io::Error::last_os_error().raw_os_error().unwrap())  in last()
38 impl From<io::Error> for Error {  implementation
39     fn from(e: io::Error) -> Self {  in from()
40         Error::new(e.raw_os_error().unwrap_or_default())  in from()
44 impl From<Error> for io::Error {  implementation
45     fn from(e: Error) -> io::Error {  in from()  argument
46         io::Error::from_raw_os_error(e.0)  in from()
50 impl std::error::Error for Error {}  implementation
52 impl Display for Error {  implementation
54         Into::<io::Error>::into(*self).fmt(f)  in fmt()
60     Err(Error::last())  in errno_result()