[racket-dev] `take-until' etc

Anyone seconds this?

And if so, then maybe for-loops should have an `#:unless' too?  (I
know that this was raised, but now there's more experience using it.)



Yesterday, Jay McCarthy wrote:
> I've used them before and I find they "read" better than using negate.
> 
> 2011/6/7 Eli Barzilay <eli at barzilay.org>:
> > Does anyone see a need for `take-until' (and `drop-' and `-right'
> > versions), or is `negate' enough to not have that?

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!