[Dune] Transition from SmartPointer to shared_ptr

[Oliver Sander]

Hi Markus!
I do not blame you for not sticking to the standard 100%.
Yet I am convinced that using standard implementations
whenever possible is a good thing.  I am happy to discuss
this issue in private or plenary if you think it necessary.

Yours,
Oliver

Markus Blatt schrieb:
> Hi,
>
> On Wed, Oct 14, 2009 at 06:43:05PM +0200, Oliver Sander wrote:
>   
>> This was never mentioned, because I myself only learned about
>> it when trying to run the smartpointer test with the tr1 implementation
>> of shared_ptr.  This emphasizes the reason why I think following
>> the standard library exactly is a good thing:  when something is
>> almost like a standard people (me, foremost) tend to think that
>> it behaves completely like the standard.  I did compare method
>> names but this semantic change escaped me.
>>     
>
> AFAIK tr1 was finalized in 2005. Our Smartpointer was added
> 2004. (There was a proposal back then, but I did not care to look at
> it or even knew about it). This made behaving like a standard as hard as
> forseeing the future.
>
> Maybe we should have a real discussion about moving already existing
> implementation to the standard. This is discussion is more urgent than
> ever, as we do not know if some developers will be around in a few
> years. Then changes like this one can lead to really hard to find
> bugs. Fixing them might consume much of our precious time needed
> elsewhere.
>
> Cheers,
>
> Markus
>
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