From: Stefan Rusterholz <apeiros@...>
Date: 2008-04-16T02:33:25+09:00
Subject: Re: Hash or bidimensional Array when key is case insensitive

I単aki Baz Castillo wrote:
> And if I use a Hash I'll do the same:
> 
>   method = params_hash.find { |param| param[0] =~ /^method$/i }[1]

Use a hash and lowercase the keys. If you need to preserve the original 
casing, do that in the value, e.g. like this: {key.lowercase => [key, 
value], ...}
Another approach would be a special Key class which is like String but 
has #hash and #eql? redefined to work as if the String was lowercased.
There probably are more approaches.

Regards
Stefan
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