Safe mode in D?

Paulo Pinto pjmlp at progtools.org
Sat Oct 19 00:22:39 PDT 2013


Am 19.10.2013 09:12, schrieb Max Samukha:
> On Saturday, 19 October 2013 at 07:02:21 UTC, Paulo Pinto wrote:
>> Am 19.10.2013 08:58, schrieb Max Samukha:
>>> On Saturday, 19 October 2013 at 06:24:00 UTC, Paulo Pinto wrote:
>>>
>>>>
>>>> There is nothing unsafe about this code snippet.
>>>>
>>>
>>> Sure. There is nothing unsafe in misusing __traits and extern(C) as
>>> well.
>>
>> There is if the result is
>>
>> - memory corruption
>> - memory leaks no longer visible to the GC
>> - program crash
>> - ...
>
> No problem, since that was the programmer's explicit purpose. C#
> provides a ton of backdoors that could lead to what you mentioned in
> your list.

That is why they have to :

- be marked unsafe
- be allowed by the security manager

In D's case it is no different, such code is only to be allowed in 
@system code and partilly in @thrusted.

--
Paulo


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