How to use D without the GC ?

[bachmeier]

On Wednesday, 12 June 2024 at 20:31:34 UTC, Vinod K Chandran 
wrote:
> On Wednesday, 12 June 2024 at 18:57:41 UTC, bachmeier wrote:
>>
>> Try `foo[10] = 1.5` and `foo.ptr[10] = 1.5`. The first 
>> correctly throws an out of bounds error. The second gives 
>> `Segmentation fault (core dumped)`.
>
> We can use it like this, i think.
> ```
> struct Foo {
>   double * ptr;
>   uint capacity;
>   uint legnth;
>   alias data this;
>
> }
> ```
> And then we use an index, we can perform a bound check.
> I am not sure but I hope this will work.

Yes, you can do that, but then you're replicating what you get 
for free by taking a slice. You'd have to write your own opIndex, 
opSlice, etc., and I don't think there's any performance benefit 
from doing so.