I am creating a program in which main returns Result<(), _>, and I was wondering: what's the best - or rather, most semantic - way to return Ok(())? Should it be as in:

fn main() -> Result<(), std::io::Error> {
    Ok(foo())
}

or as in

fn main() -> Result<(), std::io::Error> {
    foo();

    Ok(())
}

Or is there some other layer to this that I am completely missing?

Thanks!

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