With go's defer mechanic (defer f.Close(), defer l.Unlock()), and the way they handle errors, multiple returns are basically the way code comes out naturally.

With go's defer mechanic (defer f.Close(), defer l.Unlock()), and the way they handle errors, multiple returns are basically the way code comes out naturally. I think it's more readable than juggling a bunch more variables and returning at the end, others may disagree.