/*

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at https://mozilla.org/MPL/2.0/.

 */

use bare_err_tree::ErrTreeDisplay;

use std::fmt::Write;

use thiserror::Error;

#[allow(dead_code)]

fn main() {

    let formatted = gen_print();

    println!("{formatted}")

}

fn gen_print() -> String {

    let fatal = Empty;

    let mut formatted = String::new();

    write!(

        formatted,

        "{}",

        ErrTreeDisplay::<_, 60>(&fatal as &dyn std::error::Error)

    )

    .unwrap();

    formatted

}

#[derive(Debug, Error)]

#[error("EMPTY")]

struct Empty;