Chris Williams:
Here's a straightforward implementation, if you don't already have one (I assume you're doing this for Rosetta Code).
RosettaCode has already several sieves in D. I am not doing this for RosettaCode. What I am doing in this thread is to ask if there's desire for a efficient (quite more than your version) but still sufficiently simple implementation of a unbounded lazy Sieve range for Phobos.
Bye, bearophile
