From: Brian Buckley <briankbuckley@...>
Date: 2005-11-17T05:30:20+09:00
Subject: Re: YAML and constant objects

> class Foo
>   attr_reader :name
>   def initialize name
>     @name = name
>   end
>
>   def is_complex_yaml?
>     false
>   end
>   def to_yaml( opts = {} )
>     YAML::quick_emit( nil, opts ) { |out|
>       out << "!ruby/foo "
>       self.name.to_yaml( :Emitter => out )
>     }
>   end
> end
> YAML.add_ruby_type(/^foo/) do |type, val|
>   subtype, subclass = YAML.read_type_class(type, Foo)
>   val.split(/::/).inject(Object) { |p, n| p.const_get(n)}
> end

Joel, I don't yet fully understand your code   Where can I find
explanations of is_complex_yaml?, add_ruby_type, read_type_class and
quick_emit?  (My original class doesn't actually have a "name"
attribute but maybe once I understand this better I can adapt).

Brian Buckley