It could be very useful for cleaning resources. I've never used GoLang, but can see how that could be useful in various circumstances. As we're talking about C,

It could be very useful for cleaning resources. I've never used GoLang, but can see how that could be useful in various circumstances. As we're talking about C, I suspect a feature like that, with the potential to make things safer, would also enable the unwary to shoot themselves in the foot more easily.