criterion/
error.rs

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1use csv::Error as CsvError;
2use serde_json::Error as SerdeError;
3use std::error::Error as StdError;
4use std::fmt;
5use std::io;
6use std::path::PathBuf;
7
8#[derive(Debug)]
9pub enum Error {
10    AccessError {
11        path: PathBuf,
12        inner: io::Error,
13    },
14    CopyError {
15        from: PathBuf,
16        to: PathBuf,
17        inner: io::Error,
18    },
19    SerdeError {
20        path: PathBuf,
21        inner: SerdeError,
22    },
23    CsvError(CsvError),
24}
25impl fmt::Display for Error {
26    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
27        match self {
28            Error::AccessError { path, inner } => {
29                write!(f, "Failed to access file {:?}: {}", path, inner)
30            }
31            Error::CopyError { from, to, inner } => {
32                write!(f, "Failed to copy file {:?} to {:?}: {}", from, to, inner)
33            }
34            Error::SerdeError { path, inner } => write!(
35                f,
36                "Failed to read or write file {:?} due to serialization error: {}",
37                path, inner
38            ),
39            Error::CsvError(inner) => write!(f, "CSV error: {}", inner),
40        }
41    }
42}
43impl StdError for Error {
44    fn description(&self) -> &str {
45        match self {
46            Error::AccessError { .. } => "AccessError",
47            Error::CopyError { .. } => "CopyError",
48            Error::SerdeError { .. } => "SerdeError",
49            Error::CsvError(_) => "CsvError",
50        }
51    }
52
53    fn cause(&self) -> Option<&StdError> {
54        match self {
55            Error::AccessError { inner, .. } => Some(inner),
56            Error::CopyError { inner, .. } => Some(inner),
57            Error::SerdeError { inner, .. } => Some(inner),
58            Error::CsvError(inner) => Some(inner),
59        }
60    }
61}
62impl From<CsvError> for Error {
63    fn from(other: CsvError) -> Error {
64        Error::CsvError(other)
65    }
66}
67
68pub type Result<T> = ::std::result::Result<T, Error>;
69
70pub(crate) fn log_error(e: &Error) {
71    error!("error: {}", e);
72}
criterion/error.rs

criterion/
error.rs
