simd_csv/
error.rs

1use std::{error, fmt, io, result};
2
3#[derive(Debug)]
4enum ErrorKind {
5    Io(io::Error),
6    UnequalLengths { expected_len: usize, len: usize },
7    InvalidHeaders,
8}
9
10#[derive(Debug)]
11pub struct Error(ErrorKind);
12
13impl Error {
14    pub(crate) fn unequal_lengths(expected_len: usize, len: usize) -> Self {
15        Self(ErrorKind::UnequalLengths { expected_len, len })
16    }
17
18    pub(crate) fn invalid_headers() -> Self {
19        Self(ErrorKind::InvalidHeaders)
20    }
21}
22
23impl From<io::Error> for Error {
24    fn from(err: io::Error) -> Self {
25        Self(ErrorKind::Io(err))
26    }
27}
28
29impl From<Error> for io::Error {
30    fn from(err: Error) -> Self {
31        Self::new(io::ErrorKind::Other, err)
32    }
33}
34
35impl error::Error for Error {}
36
37impl fmt::Display for Error {
38    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
39        match self.0 {
40            ErrorKind::Io(ref err) => err.fmt(f),
41            ErrorKind::UnequalLengths { expected_len, len } => write!(
42                f,
43                "CSV error: found record with {} fields, but the previous record has {} fields",
44                len, expected_len
45            ),
46            ErrorKind::InvalidHeaders => {
47                write!(f, "invalid headers or headers too long for buffer")
48            }
49        }
50    }
51}
52
53pub type Result<T> = result::Result<T, Error>;
simd_csv/error.rs

simd_csv/
error.rs
