Impressed

[Stuart]

On Friday, 27 July 2012 at 19:12:41 UTC, H. S. Teoh wrote:
>
> an implicit context-switch between two fibers

I've just looked up "fiber" and "coroutine". Sounds like a very 
useful concept. As previously stated, VB.NET iterators implement 
coroutines WITHOUT fibers; but I can see where fibers would be 
useful.

What is the recommended way to implement coroutines in D? More 
RANGE stuff?