From: "David A. Black" <dblack@...>
Date: 2005-01-25T10:53:54+09:00
Subject: Re: Convert a Hash into an Array

Hi --

On Tue, 25 Jan 2005, Michael Neumann wrote:

> Eustaquio Rangel de Oliveira Jr. wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>> 
>> Hi!
>> 
>> If I have:
>> 
>> h = {"a"=>"111","b"=>"222"}
>> h.to_a
>> => [["a", "111"], ["b", "222"]]
>> 
>> is there a method to convert a Hash into a "plain" Array like
>
> h.to_a.flatten will do the trick.

However, if any of the hash values are arrays, they'll get flattened
too:

   { "a" => [1,2,3] }.to_a.flatten # => ["a",1,2,3]

unless of course you do:

   require 'flattenx'   # from RAA
   { "a" => [1,2,3] }.to_a.flatten_by(1) # => ["a",[1,2,3]]

:-)


David

-- 
David A. Black
dblack@wobblini.net