From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2013-01-29T20:07:59+09:00
Subject: Re: Please explain in English

On Tue, Jan 29, 2013 at 10:25 AM, Ryan Davis <ryand-ruby@zenspider.com> wrote:
>
> On Jan 28, 2013, at 12:13 , Jesús Gabriel y Galán <jgabrielygalan@gmail.com> wrote:
>
>> On Mon, Jan 28, 2013 at 7:16 PM, Joel Pearson <lists@ruby-forum.com> wrote:
>>> "Jesús Gabriel y Galán" <jgabrielygalan@gmail.com> wrote in post
>>> #1094106:
>>>> string.downcase.scan(/\w+/) {|word| res[word] += 1}
>>>
>>> I tried benchmarking out of curiosity and that is a lot faster! Nicely
>>> done.
>>
>> I guess the reason is that you avoid the intermediate arrays.
>
> I suspect only scanning once is much more important than the extra arrays.

Sure, you are right. I didn't really read Joel's proposal, and assume
he had removed the double scan.

Jesus.