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Re: LFM + LFSP = LFE?
On Thu 12 Jun 2003 23:29, Avi Bryant wrote:
> On Thu, 12 Jun 2003, Grzegorz [utf-8] ChrupaÅa wrote:
> > Yes. But in a message-passing OO language such as Ruby mapping over
> > multiple arrays simultaneously is just awkward since methods have a
> > single receiver. Thats why I was wondering about Smalltalk.
>
> In Smalltalk you'd use something like
>
> #(1 2 3) with: #(4 5 6) collect: [:a :b | a * b]
>
> I'm not certain if #with:collect: is standard or not - #with:do:
> certainly is.
This handles a parallel map on two arrays.
Would it be possible to emulate Scheme's
(apply map * big-list-of-lists-of-numbers)
?
--
Grzegorz Chrupała
jabber: grzegorzc@jabber.org
website: http://pithekos.net