vendor/hyper/src/common/never.rs

//! An uninhabitable type meaning it can never happen.
//!
//! To be replaced with `!` once it is stable.

use std::error::Error;
use std::fmt;

#[derive(Debug)]
pub enum Never {}

impl fmt::Display for Never {
    fn fmt(&self, _: &mut fmt::Formatter) -> fmt::Result {
        match *self {}
    }
}

impl Error for Never {
    fn description(&self) -> &str {
        match *self {}
    }
}