C++17

Minas Mina via Digitalmars-d digitalmars-d at puremagic.com
Wed Jan 27 06:24:01 PST 2016


On Wednesday, 27 January 2016 at 14:22:18 UTC, Shachar Shemesh 
wrote:
> On 26/01/16 11:33, deadalnix wrote:
>> On Tuesday, 26 January 2016 at 09:16:47 UTC, Ola Fosheim 
>> Grøstad wrote:
>>>[...]
>> Now if one want to use that, D is very capable of doing it 
>> already. Just
>> won't make it the default (like it is not the default in C++ 
>> either).
>
> I bring it up every time the subject comes up, in the hopes 
> that at some point it will sink in.
>
> No, D is not capable of doing it already. Without 100% reliable 
> destructors, RAII is simply not implementable.
>
> D's destructors are not guaranteed to run on 100% of fully 
> initialized structs, which means that a RAII container has no 
> way to make sure its resource is actually freed. It is up to 
> the implementer. This eradicates almost all of the utility RAII 
> was meant to provide.
>
> Shachar

Can you show a case where this happens?


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