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use error_backtrace::ErrorBacktrace;

fn main() -> Result<(), ()> {
    maybe_error().backtrace()?;
    Ok(())
}

fn maybe_error() -> Result<(), ()> {
    error_source()?;
    match error_source().handle_error() {
        Ok(x) => x,
        Err(e) => e,
    };

    Ok(())
}

fn error_source() -> Result<(), ()> {
    Err(()).trace()
}