Is there a word more general than firstn? I'd like to push all the elements
of a sequence onto the stack.
Cheers,
Andrew Pennebaker
www.yellosoft.us
On Sun, Aug 21, 2011 at 2:26 PM, Alexander J. Vondrak <
ajvond...@csupomona.edu> wrote:
> first2: http://docs.factorcode.org/content/word-first2,sequences.html
>
> In general, firstn:
> http://docs.factorcode.org/content/word-firstn,sequences.generalizations.html
>
> Regards,
> --Alex Vondrak
> ________________________________________
> From: Andrew Pennebaker [andrew.penneba...@gmail.com]
> Sent: Sunday, August 21, 2011 11:20 AM
> To: Factor
> Subject: [Factor-talk] sequences and the stack
>
> The stack contains a sequence of number pairs:
>
> { { x1 y1 } { x2 y2 } { x3 y3 } ... }
>
> I want to map over the pairs, accessing xi and yi.
>
> [
> ! stack = { xi yi }
>
> ! ...
>
> ! stack = xi yi
> ] map
>
> What's the code that goes in !... ?
>
> Other than using nth, how can I do this? Is there a word that pops the
> elements of a sequence onto the stack?
>
> Cheers,
>
> Andrew Pennebaker
> www.yellosoft.us<http://www.yellosoft.us>
>
>
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