Simple casting?

[Timon Gehr]

On 27.11.19 11:43, ixid wrote:
> 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.

import std;

auto eager(T)(T r){
     static if(isInputRange!T) return r.map!eager.array;
     else return r;
}

void main(){
     int[] x=[1,1,2,3,4,4];
     int[][] y=x.chunkBy!((a,b)=>a==b).eager;
     writeln(y);
}