How to sort a multidimensional ndslice?

[James Blachly]

On Tuesday, 18 August 2020 at 13:07:56 UTC, Arredondo wrote:
> On Tuesday, 18 August 2020 at 04:07:56 UTC, 9il wrote:
>> To reorder the columns data according to precomputed index:
>> auto index = a.byDim!1.map!sum.slice;
>
> Hello Ilya, thanks for the answer!
>
> Unfortunately I can't use it because I don't have (and can't 
> define) a sorting index for my columns. I only have a predicate 
> `larger(c1, c2)` that compares two columns to decide which one 
> is "larger".
>
> Cheers!
> Armando.

Armando, I believe you can just pass your predicate to the sort! 
template

http://docs.algorithm.dlang.io/latest/mir_ndslice_sorting.html