Look at input<sequence from combinators.smart.
On Wed, Aug 24, 2011 at 7:19 PM, Andrew Pennebaker <
andrew.penneba...@gmail.com> wrote:
> I've got a function that I want to call over a sequence of values (both are
> determined at run time).
>
> Is there something like call that accepts a sequence of arguments?
>
> Something like this:
>
> f args call-seq
>
> Cheers,
>
> Andrew Pennebaker
> www.yellosoft.us
>
> On Wed, Aug 24, 2011 at 10:04 PM, John Benediktsson <mrj...@gmail.com>wrote:
>
>> Typically there are better ways to operate on sequences than to put all
>> the elements on the stack, but you could:
>>
>> ( scratchpad ) { 0 1 2 3 } dup length firstn
>>
>> Better might be to use some combinators to act on the sequence each
>> grabbing the element that they need (bi, tri, or the more general cleave):
>>
>> ( scratchpad ) { 0 1 2 3 } {
>> [ first ]
>> [ second ]
>> [ third ]
>> } cleave
>>
>>
>>
>>
>> On Wed, Aug 24, 2011 at 6:50 PM, Andrew Pennebaker <
>> andrew.penneba...@gmail.com> wrote:
>>
>>> 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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>>>
>>>
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>
>
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> The only unified storage solution that offers unified management
> Up to 160% more powerful than alternatives and 25% more efficient.
> Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
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>
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Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
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