A little of coordination for Rosettacode

[bearophile via Digitalmars-d-learn]

safety0ff:

> Here's a candidate for 
> http://rosettacode.org/wiki/Extensible_prime_generator#D in 
> case it is preferred to the existing entry:
> http://dpaste.dzfl.pl/43735da3f1d1

I was away. I have added your nice code with some small changes 
as an alternative faster version. I think you have compiled your 
code without -wi, so I have added a "goto default;" inside the 
third switch case of the sieveOne function.

Bye,
bearophile