From: Ben Johnson <bjohnson@...>
Date: 2008-10-03T14:05:32+09:00
Subject: Re: Ordered hash hack for < ruby 1.9?

Erik Hollensbe wrote:
> There are a number of recommended packages already that should do this, 
> use one of them.. Not to mention this monkeypatch is going to slow down 
> your whole program, when you likely just need it in one or two spots.
> 
> If you do have to code it yourself, consider using the 'delegate' 
> library (in stdlib) to wrap your specific, non-standard logic into its 
> own class, where it can be managed separately from standard hashes.
> 
> Yours in preventing senseless monkeypatching,
> 
> -Erik

Thanks Erik, I agree 100%. I ONLY applied this when testing, where 
performance really isn't an issue. I just needed hashes to iterate in a 
consistent order. What was unique about my situation is that the hash 
order didn't matter to the functional purpose of the method. It mattered 
only when I needed to do assertions in my tests.

Honestly, if order if meaningful you should use an array. I think any of 
the above gems are not the best choice when it comes to performance.
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