use anything::{Anything, Nothing};

pub fn func_1() -> Result<(),Anything> {
    Err(())?;
    Ok(())
}

pub fn func_2() -> Result<(),Anything> {
    Err("Hello World")?;
    Ok(())
}

pub fn func_3() -> Result<(),Nothing> {
    Err("Hello World")?;
    Ok(())
}


#[test]
pub fn test() {
    println!("{:?}", func_1().unwrap_err());
    println!("{:?}", func_2().unwrap_err());
    println!("{:?}", func_3().unwrap_err());
}