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RFC: Proposal: Deterministic Object Destruction


On Thursday, March 1, 2018 at 11:59:26 PM UTC, Chris Angelico wrote:
> On Fri, Mar 2, 2018 at 10:38 AM,  ooomzay wrote:
> > def raii_example():
> >
> >     src = RAIIFileAccess("src.txt", 'r')
> >     dst = RAIIFileAccess("dst.txt", 'w')
> >
> >     for line in src:
> >         dst.write(line)
> 
> What happens if we make this change?
> 
> def raii_example():
>     global dst
>     src = RAIIFileAccess("src.txt", 'r')
>     dst = RAIIFileAccess("dst.txt", 'w')
> 
>     for line in src:
>         dst.write(line)
> 
> When does the destination file get closed?

When you execute:-

   del dst

or:-

   dst = something_else