From: Jason Roelofs <jameskilton@...>
Date: 2008-05-22T03:47:33+09:00
Subject: Re: to_yaml method for array

require 'yaml'

On 5/21/08, Raj Singh <neeraj.jsr@gmail.com> wrote:
> This is irb.
>
>
>  > irb
>  irb(main):001:0> a =  %w[ 1 2 3 ]
>  => ["1", "2", "3"]
>  irb(main):002:0> a.to_yaml
>  NoMethodError: undefined method `to_yaml' for ["1", "2", "3"]:Array
>   from (irb):2
>
>
>  This is Rails script/console
>
>  >> a = %w[ 1 2 3]
>  => ["1", "2", "3"]
>  >> a.to_yaml
>  => "--- \n- \"1\"\n- \"2\"\n- \"3\"\n"
>
>
>  However no where in ActiveSupport I can find where Rails is implementing
>  the method to_yaml.
>
>  I go to http://www.ruby-doc.org/core/ and look for Array methods. I see
>  to_yaml. So why in the irb I am getting undefined method to_yaml?
>
> --
>  Posted via http://www.ruby-forum.com/.
>
>