On Thu 05 May 2011 19:39, "Aaron W. Hsu" <arcfide@sacrideo.us> writes:

> On Thu, 05 May 2011 11:43:53 -0400, <xacc.ide@gmail.com> wrote:
>
>> The brings up the question whether list control procedures can accept
>> cyclic
>> lists.
>
>> Should the following be valid?
>
> This is interesting, normally, `map' is specifically not allowed to take
> circular lists and you get an error when trying to deal with them.
> However, that is partly because of the restriction prior to this that all
> arguments should be of the same length. Now, I think, there is an
> opportunity to consider `map' in different terms. Whether we should do
> this or not is still up to question.

I don't know either, but do see srfi-1.

Andy
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