mir.ndslice: assign a vector to a matrix row

[9il]

On Saturday, 15 December 2018 at 19:04:37 UTC, David wrote:
> Hi
>
> I am wondering if it is possible to assign a vector to a row of 
> a matrix?
>
> ============ main.d ==========
> import mir.ndslice;
>
> void main() {
>
>   auto matrix = slice!double(3, 4);
>   matrix[] = 0;
>   matrix.diagonal[] = 1;
>
>   auto row = matrix[0];
>   row[3] = 4;
>   assert(matrix[0, 3] == 4);
>
>   // assign it to rows of a matrix?
>   auto vector = sliced!(double)([10, 11, 12, 13]);
>
>   // ??? Here I would like to assign the vector to the last 
> (but it is not working)
>   // matrix[2] = vector;
> }
> ============
>
> So I am wondering what the correct way is to do such an 
> assignment without looping?

matrix[2][] = vector;

Or

matrix[2,0..$] = vector;