Destructor nonsense on dlang.org

Alex Rønne Petersen alex at lycus.org
Thu May 24 05:38:43 PDT 2012


On 24-05-2012 14:33, Thor wrote:
> On Thursday, 24 May 2012 at 12:21:02 UTC, Alex Rønne Petersen wrote:
>> Hi,
>>
>> http://dlang.org/class.html#Destructor
>>
>> "The garbage collector is not guaranteed to run the destructor for all
>> unreferenced objects."
>>
>> What the *hell*? So resources are allowed to arbitrarily leak and the
>> programmer has to actually expect this to happen?
>>
>> I really, really hope that this is a documentation error or early
>> design decision that has since been rectified but with lack of
>> documentation updates.
>
> use "clear", or "scope (exit)" or "structs" or scoped!... etc.

I know.

>
> There could always be a false reference... so you cannot depend on
> automatically releasing resources in a class destructor.
>

False pointers have nothing to do with it. The GC should free and 
finalize all objects on shutdown, meaning the finalizer runs *sooner or 
later*. If this is the case (which I do believe it is), then the docs 
are very wrong.

-- 
Alex Rønne Petersen
alex at lycus.org
http://lycus.org


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