qrsimple_cli/
error.rs

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use std::io;

use thiserror::Error;

pub type MyResult<T> = Result<T, MyError>;

#[derive(Error, Debug)]
pub enum MyError {
    #[error(transparent)]
    Clap(#[from] clap::error::Error),
    #[error(transparent)]
    Io(#[from] io::Error),
    #[error(transparent)]
    Float(#[from] conv::FloatError<f64>),
    #[error(transparent)]
    Qr(#[from] qrcode::types::QrError),
}

impl MyError {
    pub fn eprint(&self) {
        let error = self.to_string();
        let error = error.trim_end();
        eprintln!("{error}");
    }
}