From: Tony Arcieri <tony@...>
Date: 2009-03-05T06:42:26+09:00
Subject: Re: Any solutions to Ruby's inconsistencies?

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On Wed, Mar 4, 2009 at 2:32 PM, C. Dagnon <c-soc-rubyforum@dagnon.net>wrote:

> Yossef Mendelssohn wrote:
> >     key = map.keys.detect { |k|  k.to_s.downcase == matcher.to_s.downcase
> }
>
> Hmmm, what is 'detect'?
>
> I had been doing that, but then I thought that compiling a single regex
> would be less expensive than downcasing everything every time they got
> compared.


You can also use String#casecmp to avoid making a new downcased string
object each time you do the comparison, e.g.

matcher.casecmp(k.to_s).zero?

-- 
Tony Arcieri

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