crius 0.3.1

Crius is a simple hystrix-like circuit breaker
Documentation 
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use std::error::Error;
use std::fmt::Display;
use std::fmt::Formatter;
use std::fmt::Result as FmtResult;

#[derive(Clone, Debug)]
pub struct RejectError;

impl Display for RejectError {
    fn fmt(&self, f: &mut Formatter) -> FmtResult {
        write!(f, "Rejected command")
    }
}
impl Error for RejectError {
    fn description(&self) -> &str {
        "Command run got reject, because the circuit is open"
    }
}
unsafe impl Send for RejectError {}
unsafe impl Sync for RejectError {}