From: Joel VanderWerf <vjoel@...>
Date: 2004-07-01T03:38:23+09:00
Subject: Re: YAML not dumping classname constants

haldane wrote:
> Hi,
> 
> Is there any way that YAML can be made to be able to dump classname
> constants?  It would be most useful, and would mean I could use nice
> readable YAML instead of Marshal.
> 
> Example:
> 
> irb(main):001:0> require 'yaml'
> => true
> irb(main):002:0> x = String
> => String
> irb(main):003:0> Marshal.dump(x)
> => "\004\010c\vString"
> irb(main):004:0> x.to_yaml
> TypeError: can't dump anonymous class Class
>         from c:/ruby/lib/ruby/1.8/yaml/rubytypes.rb:9:in `to_yaml'
>         from (irb):4
> irb(main):005:0>
> 
> 
> Stephen Sykes

There's a quick fix at:

http://ruby-talk.org/95432

I use this all the time. Maybe _why would be willing to adopt it as a 
standard feature?