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use std::error::Error;
use std::fmt;
#[derive(Debug)]
pub struct IOError {
details: String,
}
impl IOError {
pub fn new(msg: &str) -> IOError {
IOError {
details: msg.to_string(),
}
}
}
impl fmt::Display for IOError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.details)
}
}
impl Error for IOError {
fn description(&self) -> &str {
&self.details
}
}