On Mon, Aug 23, 2010 at 11:02 AM, Will M. Farr wmf...@gmail.com wrote:
On Aug 23, 2010, at 7:40 AM, Matthew Flatt wrote:
Maybe you want to thread the vector index through using `for/fold'
instead of drawing the index from a sequence. The expansion could
insert enough `#:when' clauses to
On Mon, Aug 23, 2010 at 12:26 AM, Will M. Farr wmf...@gmail.com wrote:
Thanks for sharing your code, and for the comments. Let me see if I
understand this correctly: the following code should produce a total, a
vector whose elements are the partial sums of elements at lower indices than
At Sun, 22 Aug 2010 15:36:03 -0500, Will M. Farr wrote:
Either choice --- error or stopping --- interacts awkwardly with
`for*/vector'. If you've going to raise an exception, the natural thing
to do with `for/vector' would be to stop as soon as the sequence goes
too far. But `for*/vector'
On Sun, Aug 22, 2010 at 9:36 PM, Will M. Farr wmf...@gmail.com wrote:
Matthew co,
...
I'll make sure to throw a syntax error if I see a #:when in the for-clauses,
and I think I should give up on the for*/vector #:length variant. I was
hoping that you would have some sort of neat trick to
Matthew co,
On Aug 21, 2010, at 7:14 AM, Matthew Flatt wrote:
I didn't think of this before, but probably you should add a check that
the length expression proceduces a nonnegative exact integer:
(syntax/loc stx
(let ((len length-expr))
(unless
At Fri, 20 Aug 2010 13:05:12 -0500, Will M. Farr wrote:
Thanks very much for the comments. I'll get to work preparing an updated
version using #:size soon, and send it to Sam for pushing.
I should have suggested `#:length', since it corresponds to
`vector-length'.
I didn't think of this
Matthew,
Thanks very much for the comments. I'll get to work preparing an updated
version using #:size soon, and send it to Sam for pushing. As for the issue of
a #:size that doesn't match the length of the iteration, I have been thinking
about adding a check inside the loop (for sizes that
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