> Realistically, it shouldn't, and there's no way you would be able to handle it properly even if it did.

So you think it is better to continue execution completely oblivious of the issue? Or do you assume `close` will straight up terminate the program if it fails?

> Flush your FDs to ensure you get write errors before closing.

Nothing precludes implementing `closeFile` by flushing it, returning any error as a failure, then actually closing.