New upstream version 1.63.0+dfsg1

[rustc.git] / src / doc / book / listings / ch09-error-handling / listing-09-12 / src / main.rs

use std::error::Error;
use std::fs::File;

fn main() -> Result<(), Box<dyn Error>> {
    let greeting_file = File::open("hello.txt")?;

    Ok(())
}