http_error/
lib.rs

1mod any_http_error;
2pub mod option_ext;
3mod reason;
4pub mod result_ext;
5
6use std::error::Error;
7use std::fmt;
8
9pub use any_http_error::AnyHttpError;
10pub use http::StatusCode;
11use http::{HeaderName, HeaderValue};
12pub use option_ext::OptionExt;
13pub use reason::Reason;
14pub use result_ext::ResultExt;
15
16pub trait HttpError: Error {
17    fn status_code(&self) -> StatusCode;
18
19    fn reason(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20        if let Some(reason) = self.status_code().canonical_reason() {
21            f.write_str(reason)?;
22        }
23        Ok(())
24    }
25
26    fn headers(&self) -> Option<Vec<(HeaderName, HeaderValue)>> {
27        None
28    }
29}
30
31impl<E> HttpError for Box<E>
32where
33    E: HttpError,
34{
35    fn status_code(&self) -> StatusCode {
36        HttpError::status_code(&**self)
37    }
38
39    fn reason(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
40        HttpError::reason(&**self, f)
41    }
42
43    fn headers(&self) -> Option<Vec<(HeaderName, HeaderValue)>> {
44        HttpError::headers(&**self)
45    }
46}
47
48impl<E> From<E> for Box<dyn HttpError>
49where
50    E: HttpError + 'static,
51{
52    fn from(err: E) -> Self {
53        Box::new(err)
54    }
55}
http_error/lib.rs

http_error/
lib.rs
