1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
use std::convert::From; use std::ffi::{OsStr, OsString}; use std::fmt::Display; use std::io::Error as IoError; #[derive(Debug)] pub enum Error { Io(IoError), } pub type Result<T> = std::result::Result<T, Error>; impl Error { pub(crate) fn to_os_string(&self, path: &OsStr) -> OsString { let mut str = OsString::new(); str.push("Error opening "); str.push(path); str.push(": "); str.push(self.to_string()); str } } impl From<IoError> for Error { fn from(err: IoError) -> Self { Error::Io(err) } } impl Display for Error { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> { match self { Error::Io(err) => err.fmt(f), } } }