42 lines
782 B
Rust
42 lines
782 B
Rust
use std::borrow::Cow;
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use std::error;
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use std::fmt;
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use std::io::{self, Error};
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#[derive(Debug)]
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pub struct TarError {
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desc: Cow<'static, str>,
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io: io::Error,
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}
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impl TarError {
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pub fn new(desc: impl Into<Cow<'static, str>>, err: Error) -> TarError {
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TarError {
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desc: desc.into(),
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io: err,
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}
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}
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}
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impl error::Error for TarError {
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fn description(&self) -> &str {
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&self.desc
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}
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fn source(&self) -> Option<&(dyn error::Error + 'static)> {
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Some(&self.io)
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}
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}
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impl fmt::Display for TarError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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self.desc.fmt(f)
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}
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}
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impl From<TarError> for Error {
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fn from(t: TarError) -> Error {
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Error::new(t.io.kind(), t)
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}
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}
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