From: avi@...4.com (Avi Bryant)
Date: 2002-07-14T16:01:26+09:00
Subject: Re: instance_eval

"John" <nojgoalbyspam@hotmail.com> wrote in message news:<_x2Y8.11504$Kx3.8405@newsread1.prod.itd.earthlink.net>...

> I tried the following after searching some previous posts:
> 
> def create (&block)
>     str = "def hello (*args) block.call end"
>     self.instance_eval (str)
> end
> 
> But to be honest I don't really know what I am doing there.

I think you're looking for this:

def create (&block)
    self.class.define_method(:hello){block.call}
end