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use std::{error, fmt, str};
use string::SafeString;
#[repr(C)]
#[derive(Clone, PartialEq)]
pub struct Error {
desc: SafeString,
}
impl Error {
pub fn new(desc: &str) -> Error {
Self {
desc: SafeString::from(desc),
}
}
}
impl fmt::Debug for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Error: {}", error::Error::description(self))
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", error::Error::description(self))
}
}
impl error::Error for Error {
fn description(&self) -> &str {
&self.desc
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::error;
#[test]
fn description() {
let msg = "out of bounds";
let err = Error::new(msg);
assert_eq!(error::Error::description(&err), msg);
}
}