Merging one Array with Another

[Andrea Fontana via Digitalmars-d-learn]

On Friday, 1 May 2015 at 19:08:51 UTC, Per Nordlöw wrote:
> What's the fastest Phobos-way of doing either
>
>     x ~= y; // append
>     x = x.uniq; // remove duplicates
>
> or
>
>     x = (x ~ y).uniq; // append and remove duplicates in one go
>
> provided that
>
>     T[] x, y;
>
> ?

Maybe a way like this could be useful:
http://dpaste.dzfl.pl/7b4b37b490a7