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Sat, 02 Dec 2006 23:07:29 +0200
Gnus/5.11 (Gnus v5.11) Emacs/23.0.0 (gnu/linux)
Kevin Ryde <address@hidden> writes:
> Szavai Gyula <address@hidden> writes:
>> (let ((b (make-shared-array #(1) (lambda (x) '(0)) 2)))
> Thanks, though I'm not sure that's supposed to work. I suspect you're
> not meant to make parts of the old array appear in more than one place
> in the new array. Perhaps Marius can say what the intention is.
Hmm, I've never thought about this case. However, if I understand
things right, it is well defined and we should support it.
My understanding is that we are talking about mapping functions here
that are constant. That's maybe a bit unusual, but covered by the
'theory' explained in the manual.
We have warnings in the manual that the increments for a dimension can
be negative and that people should be prepared for that. We should
extend those warnings to zero increments. (And probably review our
GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3 331E FAF8 226A D5D4 E405