1use std::ffi::OsString;
2use std::fmt::{self, Display};
3use std::io;
4
5pub enum Error {
6 Io(io::Error),
7 Utf8(OsString),
8 Empty,
9}
10
11pub type Result<T> = std::result::Result<T, Error>;
12
13impl Display for Error {
14 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
15 use self::Error::*;
16
17 match self {
18 Io(err) => err.fmt(f),
19 Utf8(name) => write!(
20 f,
21 "unsupported non-utf8 file name: {}",
22 name.to_string_lossy(),
23 ),
24 Empty => f.write_str("no source files found"),
25 }
26 }
27}
28
29impl From<io::Error> for Error {
30 fn from(err: io::Error) -> Self {
31 Error::Io(err)
32 }
33}