Alex Shinn scripsit:
As noted in the text itself, it's present in Racket, Gambit, SISC, Chez,
> > I don't see the use case for the lexical syntax. In fact, I'd
> > classify it as a Bad Idea.
>
> I agree. Does this have any precedent in existing implementations?
and Chicken, though in Racket it means an immutable box.