Why uniq do not work with array of strings?

[Tobias Pankrath via Digitalmars-d-learn]

On Monday, 16 February 2015 at 18:45:17 UTC, Suliman wrote:
> Oh I understood. It's means that it work only of two or more 
> element's is placed one after one?

Yes, uniq returns exactly the same range as its input, except 
that elemens that are equal to their immediate predecessor are 
dropped.