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use hyper::status::StatusCode;
use std::error::Error as StdError;
use std::fmt::{Display, Formatter, Result as FmtResult};
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub enum Error {
/// When a status code was unexpectedly received for a request's status.
InvalidRequest(StatusCode),
/// When the decoding of a ratelimit header could not be properly decoded
/// into an `i64`.
RateLimitI64,
/// When the decoding of a ratelimit header could not be properly decoded
/// from UTF-8.
RateLimitUtf8,
/// When a status is received, but the verification to ensure the response
/// is valid does not recognize the status.
UnknownStatus(u16),
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter) -> FmtResult { f.write_str(self.description()) }
}
impl StdError for Error {
fn description(&self) -> &str {
match *self {
Error::InvalidRequest(_) => "Received an unexpected status code",
Error::RateLimitI64 => "Error decoding a header into an i64",
Error::RateLimitUtf8 => "Error decoding a header from UTF-8",
Error::UnknownStatus(_) => "Verification does not understand status",
}
}
}
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