ethernet-info 0.0.4

A library uses SIOCETHTOOL ioctl command to get ethernet information
Documentation 
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//! Error library for ethtool.
//! All the errors that can be returned by this crate are defined here.

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

/// The error type for this crate.
#[derive(Debug)]
pub struct EthtoolError {
    details: String,
}

impl EthtoolError {
    pub fn new(msg: &str) -> EthtoolError {
        EthtoolError {
            details: msg.to_string(),
        }
    }
}

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

impl Error for EthtoolError {}

#[cfg(test)]
mod test {
    #[test]
    fn test_errors() {
        use super::EthtoolError;
        let err = EthtoolError::new("test");
        format!("{:?}", err);
        assert_eq!(err.to_string(), "test");
    }
}