Re: (n)reverse vs. length

[David Kastrup <dak@gnu.org>]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

>> Should (n)reverse has the same semantics as length, i.e. accept
>> vectors and strings as well?
>
> Good question.
>
>> IMHO this is the convenient and expected behavior from the point of
>> view of the elisp programmer.
>
> Elisp is pretty lame and messy in this respect.
> E.g. we have elt/aref/nth which operate on various subsets of sequences.
> We have mapc/mapcar which apply to lists and arrays (and strings), but
> mapcar returns a list in any case.
>
> I think it would be OK to make `reverse' work on arrays and strings.
> I definitely don't want `nreverse' working on strings (strings should
> be immutable),

Doesn't aset work on strings?

-- 
David Kastrup