serenity 0.5.8

A Rust library for the Discord API.
Documentation 
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use hyper::client::Response;
use std::{
    error::Error as StdError,
    fmt::{
        Display,
        Formatter,
        Result as FmtResult
    }
};

#[derive(Debug)]
pub enum Error {
    /// When a non-successful status code was received for a request.
    UnsuccessfulRequest(Response),
    /// 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,
}

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::UnsuccessfulRequest(_) => {
                "A non-successful response status code was received"
            },
            Error::RateLimitI64 => "Error decoding a header into an i64",
            Error::RateLimitUtf8 => "Error decoding a header from UTF-8",
        }
    }
}