The primitives I am thinking of are
u/ u/. u\ u\. i. e. ~. ~: /: # { {. }. {: }:
and maybe others.
These verbs do not have rank _1; the fact that they
operate on items is built into the definition of the verb.
Henry Rich
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of metaperl.j
> Sent: Monday, November 19, 2007 10:50 PM
> To: [email protected]
> Subject: [Jgeneral] J for C - many of J's primitives operate on items?
>
>
> >From what I know, J verbs all have positive rank, in other
> words, none of
> them are able to take a noun item-by-item as a function of
> the noun rank.
>
> Of course, a verb with rank-1 will process a rank-2 noun item
> by item. But
> that same verb will process rank-3 noun list by list, not
> item by item.
>
> So, unless a verb's rank is _1 (I dont think that is
> possible), then no J
> primitive handles nouns item by item.
>
> The reason I am bringing this up is this:
>
> http://www.jsoftware.com/help/jforc/declarations.htm
>
> In the Lists section it says
>
> So many of J's primitives operate on items of their operands
> that we will
> find ourselves usually thinking of an array as a list of its items.
>
>
> --
> View this message in context:
> http://www.nabble.com/J-for-C---many-of-J%27s-primitives-opera
> te-on-items--tf4841064s24193.html#a13850428
> Sent from the J General mailing list archive at Nabble.com.
>
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