1use std::{io, error, fmt};
2
3#[derive(Debug)]
4pub enum Error {
5 Io(io::Error),
6 UrlParsing(url::ParseError),
7 Custom(String)
8}
9
10impl fmt::Display for Error {
11 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
12 match self {
13 Error::Io(err) => err.fmt(f),
14 Error::UrlParsing(err) => err.fmt(f),
15 Error::Custom(msg) => write!(f, "{}", msg)
16 }
17 }
18}
19
20impl error::Error for Error {
21 fn source(&self) -> Option<&(dyn error::Error + 'static)> {
22 match self {
23 Error::Io(err) => err.source(),
24 Error::UrlParsing(_) |
25 Error::Custom(_) => None
26 }
27 }
28}
29
30impl From<url::ParseError> for Error {
31 fn from(err: url::ParseError) -> Error {
32 Error::UrlParsing(err)
33 }
34}
35
36impl From<io::Error> for Error {
37 fn from(err: io::Error) -> Error {
38 Error::Io(err)
39 }
40}