From: Jano Svitok <jan.svitok@...>
Date: 2008-04-04T21:03:25+09:00
Subject: Re: Array disorder in ruby 1.8.6

On Fri, Apr 4, 2008 at 1:57 PM, Frantisek Havluj <moskyt@rozhled.cz> wrote:
> Hello,
>
>  I suppose I found a bug in ruby (or behavior that I am unable to
>  explain). My version is, exactly, ruby 1.8.6 (2007-03-13 patchlevel 0)
>  [universal-darwin8.0]
>
>  problem is in this method:
>
>  def plotresults(results,runset)
>         ...
>   runset.each{|k| f.printf("%-*s",ns,k)}
>         ...
>  end
>
>  .each iterator just prints the items of the runset array out of order.
>  however, if I just evaluate the array anywhere in the method, everything
>  is ok:
>
>  def plotresults(results,runset)
>         runset
>         ...
>   runset.each{|k| f.printf("%-*s",ns,k)}
>         ...
>  end
>
>  Not much more to say about that. Can anybody explain to me why Ruby
>  should behave like that?

One question: is runset really an Array or a Set? Set doesn't keep the order.

Jano