jieba_rs/
errors.rs

1use std::{error, fmt, io};
2
3/// The Error type
4#[derive(Debug)]
5pub enum Error {
6    /// I/O errors
7    Io(io::Error),
8    /// Invalid entry in dictionary
9    InvalidDictEntry(String),
10    /// Invalid HMM model
11    InvalidHmmModel(String),
12}
13
14impl From<io::Error> for Error {
15    fn from(err: io::Error) -> Self {
16        Self::Io(err)
17    }
18}
19
20impl fmt::Display for Error {
21    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
22        match *self {
23            Error::Io(ref err) => err.fmt(f),
24            Error::InvalidDictEntry(ref err) => write!(f, "invalid dictionary entry: {err}"),
25            Error::InvalidHmmModel(ref err) => write!(f, "invalid HMM model: {err}"),
26        }
27    }
28}
29
30impl error::Error for Error {
31    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
32        match *self {
33            Error::Io(ref err) => Some(err),
34            Error::InvalidDictEntry(_) => None,
35            Error::InvalidHmmModel(_) => None,
36        }
37    }
38}
jieba_rs/errors.rs

jieba_rs/
errors.rs
