Weird issue with std.range.iota.length

[Rikki Cattermole via Digitalmars-d]

On 12/02/16 6:51 PM, Meta wrote:
> If you try to compile this code, it will currently not work:
>
> foreach (n; iota(1UL, 1000).parallel)
> {
>      //...
> }
>
>
> This is because of how the length is calculated by iota:
>
> auto iota(B, E)(B begin, E end)
> if (isIntegral!(CommonType!(B, E)) || isPointer!(CommonType!(B, E)))
> {
>      import std.conv : unsigned;
>
>      //...
>
>      //The return type of length. When either begin or end
>      //is ulong, then IndexType == ulong
>      alias IndexType = typeof(unsigned(end - begin));
>
>      static struct Result
>      {
>          private Value current, pastLast;
>
>          //...
>
>          @property IndexType length() const
>          {
>              return unsigned(pastLast - current);
>          }
>      }
>
>      return Result(begin, end);
> }
>
>
> And because std.parallelism.TaskPool.defaultWorkUnitSize takes a size_t,
> which with a 32-bit DMD is uint.
>
> What I want to know is, is this considered a bug? If so I will submit a
> pull request to fix it.

So I assume if you compiled as 64bit this will work then?