With this you determine whether the error has to be handled or can be safely ignored via a '_'. In my experience most of the time I want to neither explicitly

With this you determine whether the error has to be handled or can be safely ignored via a '_'. In my experience most of the time I want to neither explicitly handle the error nor ignore it. I want it to propagate up to a top-level handler that logs it and either fails the current operation or aborts the entire program.