Destructor called while object is still alive

[Kagamin]

On Sunday, 25 October 2020 at 15:50:36 UTC, Steven Schveighoffer 
wrote:
> But even if you have synchronous management of files, having a 
> destructor clean up a file that obviously isn't used any more 
> isn't a bad thing.

Yes, GC environments differentiate between resource management 
and defensive cleanup, the latter is done by 
destructor/finalizer, the former is done synchronously, they also 
run in different environments, so the code is often different too.