From: "Brian Schröder" <ruby.brian@...>
Date: 2005-11-08T03:32:27+09:00
Subject: Re: an array of hashes

On 07/11/05, Francesco <fran.cy@libero.it.invalid> wrote:
> Hello all!
> Can this be done better/nicer?
> In @person i have an array of telephones. telephone is a hash with an id
> and a number, and i would like to join them.
>
> @person.telephones.collect {|x| [] << x.number}.join(', ')
>
> I don't know why, but I don't like this line of code... how would you
> write it?
>
>

If telephone (x) is indeed a hash, the above would not work. It seems
like telephone is a struct. Right?

Then why don;t you do

 @person.telephones.map {|x| x.number}.join(', ')

cheers,

Brian

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