[dnautics]

I don't know if this particular error would have been findable with zig-clr, but you don't need RAII. Errdefer/defer is enough, if you have an alogrithm checking your work.

[hardwaresofton]

It’s not that you NEED RAII (or any other language abstraction), it’s that this case would have been avoided with that usage.

Clearly, the current state of things was not enough.