From: badboy <badboy@...>
Date: 2009-04-28T21:25:01+09:00
Subject: Re: Array to Hash in 1.8.6 vs 1.8.7

Fernando Perez schrieb:
> I'm damn toast!
> 
> My dev machine runs a manually compiled 1.8.7 version of Ruby. My server
> runs a Debian Etch with Ruby 1.8.6 version.
> 
> From a string:
> 
> 1:2_5:6
> 
> I want to convert it to a hash: {"1" => "2", "5" => "6"}
> 
> On my dev machine the following works:
> Hash[(session.split("_").map { |couples| couples.split(":") }).flatten]
> 
> On my server it pukes on me with the following error:
> odd number of arguments for Hash
> 
> How can I fix it with Ruby 1.8.6 and 1.8.7 compatibility? I don't want
> to play with the Ruby version of Debian etch as it's the latest
> available package.
> 
> 
> Many thanks in advance.
use * like this
  Hash[*(session.split("_").map { |couples| couples.split(":") }).flatten]