From: dblack@...
Date: 2006-07-23T20:24:47+09:00
Subject: Re: Dividing inside iterations?

Hi --

On Sun, 23 Jul 2006, Joey wrote:

> Yes, but in assignement the variable goes on the left.
> h = [40,20,50,200]
> h.each do |num,total|

The "total" there doesn't do anything; you'd just want:

   h.each do |num|

> total = num / 24
> print "#{total} \n"

Of course this could also be:

   puts num / 24

:-)


David

> end
>
> j`ey
> http://www.eachmapinject.com
>
> On 7/23/06, Dominic Son <dominicson@gmail.com> wrote:
>> 
>> Hi
>> 
>> Learning Ruby.
>> 
>> Is it possible to divide values while inside an iteration?
>> 
>> for example i'd like to do something like this:
>> 
>> h = [40,20,50,200]
>> h.each do |num,total| num / 24 = total
>> print "#{total} \n" end
>> 
>> as you'd expect, there is an error because of that '/' and '=' sign in
>> this iterator.
>> 
>> so since this isn't possible what would be the best way to do what i'm
>> trying to do? or perhaps my syntax is wrong
>> 
>> thank you very much.
>> 
>> Dominic
>> 
>> --
>> Posted via http://www.ruby-forum.com/.
>> 
>> 
>

-- 
http://www.rubypowerandlight.com => Ruby/Rails training & consultancy
http://www.manning.com/black     => RUBY FOR RAILS (reviewed on
                                     Slashdot, 7/12/2006!)
http://dablog.rubypal.com        => D[avid ]A[. ]B[lack's][ Web]log
dblack@wobblini.net              => me