Why Ruby?

[bearophile]

Ary Borenszweig:

> D should provide a yield keyword that basically rewrites the body of the 
> method into the first code. What's that "if (result) break;"? That's 
> showing the implementation of foreach. Why do I have to rememebr the 
> result of dg? What's that? What if I forget it? I just want to yield two 
> elements :-(

Time ago I have asked for the "yield" syntax&semantics of Python in D too. It's just syntax sugar for opApply. A syntax like:

yield(int) squares(int n) {
  foreach (i; 0 .. n)
    yield i * i;
}

Bye,
bearophile