using the full range of ubyte with iota

[Dominikus Dittes Scherkl via Digitalmars-d-learn]

On Saturday, 24 January 2015 at 21:00:06 UTC, Tobias Pankrath 
wrote:
> On Saturday, 24 January 2015 at 20:49:03 UTC, Dominikus Dittes 
> Scherkl wrote:
>> I would have no problem using an explicit cast, but where 
>> should I apply it?
>
> iota(0, 256).map!(x => foo(cast(ubyte) x))

Ok, thank you very much.

4 times exactly the same answer - seems to be a common solution 
to a well known problem. :-/