From: Jeff <cohen.jeff@...>
Date: 2007-09-18T12:09:02+09:00
Subject: Re: Is there a select and map for hashes instead of arrays?

On Sep 17, 8:35 pm, franco <flazzar...@gmail.com> wrote:
> # use two vars in an map/select block (or use the index if one var)
> array = {:a => 1, :b =>2}.select {|k,v| k == :b}
> # => [[:b, 2]]
>
> # use inject to make a hash from a list, this is a great technique
> hash = array.inject({}) {|h,e| h.merge({e[0] => e[1]}) }
> # => {:b=>2}
>
> -franco

That was exactly my point - why doesn't Hash#select and Hash#map
return hashes instead of arrays?

Jeff