nell 0.3.0

Linux netlink interface
Documentation 
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// Copyright (C) 2018 - Will Glozer. All rights reserved.

use std::fmt;
use std::num::TryFromIntError;
use errno::Errno;
use super::write;

#[derive(Debug)]
pub enum Error {
    Netlink(Errno),
    Syscall(Errno),
    IO(std::io::Error),
    Overrun,
    Conversion(TryFromIntError),
}

impl From<Errno> for Error {
    fn from(err: Errno) -> Self {
        Error::Syscall(err)
    }
}

impl From<std::io::Error> for Error {
    fn from(err: std::io::Error) -> Self {
        Error::IO(err)
    }
}

impl From<TryFromIntError> for Error {
    fn from(err: TryFromIntError) -> Self {
        Error::Conversion(err)
    }
}

impl From<write::Error> for Error {
    fn from(err: write::Error)  -> Self {
        match err {
            write::Error::Overrun       => Self::Overrun,
            write::Error::Conversion(e) => Self::Conversion(e),
        }
    }
}

impl std::error::Error for Error {}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}