From: nobu.nokada@...
Date: 2002-02-20T03:35:41+09:00
Subject: Re: Anonymous class support

Hi,

At Wed, 20 Feb 2002 02:21:52 +0900,
Christoph <chr_news@gmx.net> wrote:
> >   Class.new(superclass).class_eval do
> >     def foo
> >     end
> >   end
> >
> > In 1.7, .class_eval isn't necessary.
> 
> Unfortunately you cannot use the ladder idiom within method bodies - for
> example ..
> 
> ----
> class A
>   def foo(&body)
>     Class.new(type,&body)
>   end
>    def goo(&body)
>      res = Class.new(type)
>      res.class_eval &body  #  this works because &body is a string!
>      res
>    end
>   #
> end
> 
> 
> anon =A.new.foo { Pointless = "okay" }
> puts anon.const_get :Pointless    # => okay
> # A.new.foo { def annoying_parse_error() end }
> 
> anon.new.goo { def okay(); puts "okay" end }.new.okay  # => okay

Well, aboves worked all without any errors on my box.  Both of
1.6.6 and 1.7.2, 2002-02-19.  What version do you use?

-- 
Nobu Nakada