From: James Gray <james@...>
Date: 2008-05-02T21:28:32+09:00
Subject: Re: Extracting a value from an array

On May 2, 2008, at 5:07 AM, Arlen Cuss wrote:

> Hi,
>
> On Fri, May 2, 2008 at 7:34 PM, 7stud -- <bbxx789_05ss@yahoo.com>  
> wrote:
>
>>> I've compressed your loop into this:
>>>
>>> (headers.select{ |h| h[:name] == 'content-length' }.first)[:value]
>>
>> That seems pretty typical of ruby programmers: cram everything into  
>> one
>> line and call it "clear".
>>
>
> It's still done in a very neat fashion, and the one that makes the  
> most
> sense from a functional programming point of view.

Well, the find() iterator makes the most sense, I would say.   
select().first() is just a hand-rolled find() that's slower to run and  
takes more memory, of course.  ;)

The archives should give readers plenty of evidence regarding how much  
attention should be given to 7stud's Ruby opinions though.

James Edward Gray II