Speeding up text file parser (BLAST tabular format)

[NX via Digitalmars-d-learn]

On Monday, 14 September 2015 at 16:33:23 UTC, Rikki Cattermole 
wrote:
> A lot of this hasn't been covered I believe.
>
> http://dpaste.dzfl.pl/f7ab2915c3e1

I believe that should be:
foreach (query, ref value; hitlists)
Since an assignment happenin there..?