dotenv/
errors.rs

1use std::env;
2use std::error;
3use std::fmt;
4use std::io;
5
6#[derive(Debug)]
7#[non_exhaustive]
8pub enum Error {
9    Io(io::Error),
10    Env(env::VarError),
11}
12
13impl Error {
14    pub fn is_not_found(&self) -> bool {
15        if let Error::Io(err) = self {
16            return err.kind() == io::ErrorKind::NotFound;
17        }
18
19        false
20    }
21
22    pub(crate) fn not_found() -> Self {
23        io::Error::new(io::ErrorKind::NotFound, "path not found").into()
24    }
25}
26
27impl fmt::Display for Error {
28    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
29        match self {
30            Error::Io(err) => err.fmt(fmt),
31            Error::Env(err) => err.fmt(fmt),
32        }
33    }
34}
35
36impl error::Error for Error {
37    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
38        match self {
39            Error::Io(err) => Some(err),
40            Error::Env(err) => Some(err),
41        }
42    }
43}
44
45impl From<io::Error> for Error {
46    fn from(err: io::Error) -> Self {
47        Error::Io(err)
48    }
49}
50
51impl From<env::VarError> for Error {
52    fn from(err: env::VarError) -> Self {
53        Error::Env(err)
54    }
55}
dotenv/errors.rs

dotenv/
errors.rs
