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use std::{fmt, error};
#[derive(Debug, Copy, Clone)]
pub enum Error {
Memory(&'static str),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::Memory(ref err) => write!(f, "{}", err),
}
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::Memory(ref err) => err,
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::Memory(_) => None,
}
}
}