Linear array to matrix

[p.shkadzko]

On Sunday, 5 April 2020 at 18:58:17 UTC, p.shkadzko wrote:
> On Saturday, 4 April 2020 at 09:25:14 UTC, Giovanni Di Maria 
> wrote:
>> [...]
>
> Why not use "chunks" from std.range?
>
> import std.range: chunks;
>
> void main() {
>     int[] arr = [10,20,30,40,50,60,70,80,90,100,110,120];
>     auto matrix1 = arr.chunks(3).chunks(4); // no allocation
>     int[][][] matrix2 = arr.chunks(3).array.chunks(4).array;
> }
>
> But, keep in mind using array of arrays is not efficient.
> For multidimensional arrays use Mir Slices.
> If you need more information on how to create matrices, see 
> this article: 
> https://tastyminerals.github.io/tasty-blog/random/2020/03/22/multidimensional_arrays_in_d.html

it should be just one call to chunks --> arr.chunks(3), otherwise 
you'll get two nested arrays while you need only one. Sorry for 
confusion.