Simple casting?

[ixid]

On Tuesday, 26 November 2019 at 16:33:06 UTC, Timon Gehr wrote:
> import std;
> void main(){
>     int[] x=[1,1,2,3,4,4];
>     int[][] y=x.chunkBy!((a,b)=>a==b).map!array.array;
>     writeln(y);
> }

This stuff is a nightmare for less experienced users like myself, 
I wish there were a single function that would make any data 
obkect eager, no matter how convoluted its arrays of arrays of 
arrays.