From: Robert Klemme <bob.news@...>
Date: 2005-11-08T03:32:11+09:00
Subject: Re: an array of hashes

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?

Two things are odd:

1. there is no hash dereferencing in your code

2. you're creating one element arrays all the time in a weired way.

Why don't you just do this?

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

Kind regards

    robert