#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::error::Error;
use std::fmt;
use std::path::PathBuf;
#[derive(Debug)]
struct ReadConfigError {
    path: PathBuf,
}
impl fmt::Display for ReadConfigError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let path = self.path.display();
        write!(f, "unable to read configuration at {path}")
    }
}
impl Error for ReadConfigError {}
fn main() {}