RAII pointers

[Moritz Maxeiner via Digitalmars-d-learn]

On Saturday, 3 June 2017 at 21:16:08 UTC, Stanislav Blinov wrote:
> On Saturday, 3 June 2017 at 20:53:05 UTC, Moritz Maxeiner wrote:
>>
>> Quite, but if you backtrack to my initial statement, it was 
>> about ptr not being/becoming null (implicitly) in the first 
>> place, which *might* allow you to skip the check (if you don't 
>> set it to null via external means, such as memcpy, move, etc).
>
> It's only true as long as you have full control of the source.
> Once you're using libraries and generic code, it's possible 
> that it's out of your hands:

It's always true, because I explicitly wrote *might*, not *will*, 
to indicate that it depends on your use case. Your example is a 
common use case where you can't skip the check.