On Wed, Sep 16, 2009 at 1:36 PM, Robby Findler
<xxxxxx@eecs.northwestern.edu> wrote:
> I'm not sure if this is what's being asked, but I too think of
> "immutable" as "cannot change" (which is in line with the English
> meaning of the word).
>
> Robby

I'll third or fourth that motion.  "immutable" carries a very
different semantic that will lead to nothing but confusion if used in
the way being proposed in this SRFI.

RScheme's object system has a concept of immutable slots exactly for
the reason someone mentioned earlier -- it's advise to the compiler
that the value will not change, and hence the value can be cached and
it's known that calls through an unknown function will not change it
either.  (IIRC, this idea was taken directly from Dylan)

--
-- Donovan