Getting the underlying range from std.range.indexed, with elements in swapped order, when Indexed.source.length == Indexed.indices.length

[Alex]

On Wednesday, 27 June 2018 at 15:07:57 UTC, Uknown wrote:
> On Wednesday, 27 June 2018 at 14:50:25 UTC, Alex wrote:
>> On Wednesday, 27 June 2018 at 14:29:33 UTC, Uknown wrote:
>>> On Wednesday, 27 June 2018 at 14:21:39 UTC, Alex wrote:
>>>> On Wednesday, 27 June 2018 at 13:27:46 UTC, Uknown wrote:
>>>>> [...]
>>
>> I see. Ok, one possibility is
>>
>> source = indexed(source, indices).array;
>>
>> but I assume you want something without extra allocation, 
>> right?
>
> This doesn't work for some reason.
>
> "123".byCodeUnit.permutations.array.writeln //[123, 123, 123, 
> 123, 123, 123]

This would:

["123".byCodeUnit.permutations].joiner.writeln;