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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
use std::{
error,
fmt,
io,
result,
};
use ffi;
pub type Result<T> = result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
IoError(io::Error),
NotmuchError(ffi::Status),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", error::Error::description(self))
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::IoError(ref e) => error::Error::description(e),
Error::NotmuchError(ref e) => e.description(),
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::IoError(ref e) => Some(e),
Error::NotmuchError(ref e) => Some(e),
}
}
}
impl error::FromError<io::Error> for Error {
fn from_error(err: io::Error) -> Error {
Error::IoError(err)
}
}
impl error::FromError<ffi::Status> for Error {
fn from_error(err: ffi::Status) -> Error {
Error::NotmuchError(err)
}
}
impl error::FromError<ffi::notmuch_status_t> for Error {
fn from_error(err: ffi::notmuch_status_t) -> Error {
Error::NotmuchError(ffi::Status::from(err))
}
}
|
