Dimensions in compile time

[Basile B.]

On Monday, 8 February 2021 at 12:19:26 UTC, Basile B. wrote:
> On Monday, 8 February 2021 at 11:42:45 UTC, Vindex wrote:
>> [...]
>
> yeah.
>
> ---
> template dimensionCount(T)
> {
>     static if (isArray!T)
>     {
>         static if (isMultiDimensionalArray!T)
>         {
>             alias DT = typeof(T.init[0]);
>             enum dimensionCount = dimensionCount!DT + 1;
>         }
>         else enum dimensionCount = 1;
>     }
>     else enum dimensionCount = 0;
> }
> ///
> unittest
> {
>     static assert(dimensionCount!char == 0);
>     static assert(dimensionCount!(string[]) == 1);
>     static assert(dimensionCount!(int[]) == 1);
>     static assert(dimensionCount!(int[][]) == 2);
>     static assert(dimensionCount!(int[][][]) == 3);
> }
> ---
>
> that can be rewritten using some phobos traits too I think, but 
> this piece of code is very old now, more like learner template.

well I didn't realize but static array are not handled. I think 
this is because in first place this was made for a specific usage 
that was a serializer.