use std::error;
use std::fmt;
#[derive(Debug)]
pub enum Error {
Source,
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::Source => write!(f, "unable to find error source"),
}
}
}
impl error::Error for Error {
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
match *self {
Error::Source => None,
}
}
}