Best properly way to destroy a 2 dimensional array?

[Jonathan Villa via Digitalmars-d-learn]

On Wednesday, 6 April 2016 at 21:33:14 UTC, Alex Parrill wrote:
> On Wednesday, 6 April 2016 at 19:54:32 UTC, Jonathan Villa 
> wrote:
>> I wrote a little program that given some number it generates a 
>> ...
>
> Why not make a range instead? No need to reserve memory for the 
> entire array if you can compute the elements as-needed.
>
> If you really want an array, std.experimental.allocator will 
> let you manually allocate/release objects.

I'm going to try use a custom allocator for tomorrow.

My general idea is first to get the predicted quantity of 
combinations so I can divide and parallelize them.

What do you think can be the problem with the lack of 
deallocation?

Regards.