From: Todd Benson <caduceass@...>
Date: 2007-08-30T23:47:27+09:00
Subject: Re: How to make an array of hashes to a single array with all the values of these hashes ?

On 8/30/07, Robert Klemme <shortcutter@googlemail.com> wrote:
> 2007/8/29, yermej@gmail.com <yermej@gmail.com>:
> > On Aug 29, 2:53 pm, dima <dejan.di...@gmail.com> wrote:

> > my_new_array = myvalue.inject([]) {|arr, h| arr + h.values}
>
> That's already pretty good (you used #inject ;-)) but this one is
> slightly more efficient:
>
> my_new_array = myvalue.inject([]) {|arr, h| arr.concat h.values}

Nice.  You beat me to it.  One of these days, though, I'll read all
the Ruby source and exact vengeance upon you guys :)

For a short repeat of the record for the nubies, #concat supposedly
doesn't create new objects, and thus is more "efficient".

Todd