Destructor nonsense on dlang.org

Alex Rønne Petersen alex at lycus.org
Thu May 24 07:30:02 PDT 2012


On 24-05-2012 15:49, Steven Schveighoffer wrote:
> On Thu, 24 May 2012 09:47:23 -0400, deadalnix <deadalnix at gmail.com> wrote:
>
>> Le 24/05/2012 14:54, Peter Alexander a écrit :
>>> 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.
>>>
>>> I'm pretty sure it's the same in Java.
>>>
>>> Finalizers (a.k.a. class destructors) are practically useless.
>>
>> Java finalizer is a pretty bad design decision. Let's not reproduce
>> error made in Java in D's destructors.
>
> You actually need a finalizer if you want to have resources that aren't
> GC allocated.
>
> -Steve

But that doesn't mean we should have Java finalization. There are many 
different forms of finalization, and I do agree that Java is the worst 
of all of them.

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


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