From: Aleksei Guzev <aleksei.guzev@...>
Date: 2002-11-18T13:28:11+09:00
Subject: Re: Ruby equivalent to Python's map()?


"Pe�a, Botp" <botp@delmonte-phil.com> wrote in message
news:20021116175944.16A7C781C0@proxy-dmz.delmonte-phil.com...
> Hi Aleksei [mailto:aleksei.guzev@bigfoot.com]:
>
> You wrote:
> > ######################################################
> >
> > module Enumerable
> >     def collectm(*args,&proc)
> >         result = []
> >         each_with_index{|e,i| res << yield(e,*args.collect{|f| f[i]})}
>                                 ^^^^^^
> shouldn't be result?
> [snipped some]
> >
> > [1,2,3].collectm([18,12,16],[4,5,6]) {|a,b,c| b/a+c}
> > # results in [10,11,12]
>
> I get [22, 11, 11] :-)
>
> Anyway, you have very helpful code. Can you post it in wiki?
>
> Kind regards,
> -botp
>
>

khe,khe. A little mistype, I hope everyone does see it;)

[1,2,3].collectm([6,12,18],[4,5,6]){|a,b,c| b/a+c}

will yield the correct result.