[OT] shuffling lines in a stream

[Sergey Gromov]

Fri, 10 Oct 2008 16:27:03 -0500,
Andrei Alexandrescu wrote:
> > while (a.length || b.length)
> > {
> >   if (uniform(gen, 0, a.length + b.length) < a.length)
> >   {
> >     ab.put(a.head);
> >     a.next();
> >   }
> >   else
> >   {
> >     ab.put(b.head);
> >     b.next();
> >   }
> > }
> 
> This should work. Use of ranges noted :o).

Actually I felt an urge to write:

if (uniform(gen, 0, a.length + b.length) < a.length)
  ab.put(a.next);
else
  ab.put(b.next);

I had to really get hold of myself.  ;)