Arthur A. Gleckler scripsit:

> The syntax is fine, but shouldn't be relied upon to exist.  At a minimum,
> there should be a procedural interface.

I think the procedural interface would be (popper <ref-procedure), and
likewise (pusher <ref-procedure> and so on.

> It's O(1) vs. O(N), which quickly matters, especially when it's executed in
> a loop.

I don't understand this.

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
Yes, chili in the eye is bad, but so is your ear.  However, I would
suggest you wash your hands thoroughly before going to the toilet.
        --gadicath