Right, thank you! The range object needs to be mutated to be
iterated on, that explains it.
Although it looks like the opIndex on this particular range could
guarantee constness:
https://github.com/dlang/phobos/blob/v2.093.0/std/range/package.d#L8099
Here's a longer code snippet that gives s
On Thu, Jul 30, 2020 at 06:52:42PM +, sportsracer via Digitalmars-d-learn
wrote:
[...]
> int[] xs = new int[100];
> const chunked = xs.chunks(10);
> writeln(chunked[0][0]);
> }
>
> Error: mutable method std.range.Chunks!(int[]).Chunks.opIndex is not
> callable using a const object
Newcomer to the D language here. I was going to use
`std.range.chunks` to get a two-dimensional, read-only view on
data in one continuous array.
But was surprised to find that this code doesn't compile:
import std.range : chunks;
import std.stdio : writeln;
void main()
{
int[] xs = new in
