From: Arlen Cuss <celtic@...>
Date: 2008-05-02T19:07:46+09:00
Subject: Re: Extracting a value from an array

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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.

Speaking as objectively as possible, it's better than perhaps your proposal
since it accurately shows what we're doing (`selecting' item hs where the
[:name] is  'content-length', then picking the `first' and getting the
[:value]..), and doesn't rely on creating new local variables.

Arlen

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