Reuse/reset dynamic rectangular array?

[matheus]

On Saturday, 25 May 2019 at 14:28:24 UTC, Robert M. Münch wrote:
> How can I reset a rectangualr array without having to loop 
> through it?
>
> int[][] myRectData = new int[][](10,10);
>
> myRectData.length = 0;
> myRectData[].length = 0;		
> myRectData[][].length = 0;	
>
> They all give: slice expression .. is not a modifiable lvalue.

This works form me:

//DMD64 D Compiler 2.072.2
import std.stdio;

void main()
{
     auto arr = new int[][](10,10);
     writeln(arr.length);
     arr.length=0;
     writeln(arr.length);
}

output:
10
0

Matheus.