From: "David A. Black" <dblack@...>
Date: 2008-04-04T21:15:08+09:00
Subject: Re: Array disorder in ruby 1.8.6

Hi --

On Fri, 4 Apr 2008, Frantisek Havluj 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?

It's impossible to comment without seeing the code where runset is
created.


David

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