From: Joel VanderWerf <vjoel@...>
Date: 2007-02-26T04:38:38+09:00
Subject: Re: Blocks in class_eval

Kyle Mitchell wrote:
> the following works:
> 
> ///// BEGIN funcmeta.rb /////
> def func_meta(&b)
>     class_eval {
>         @@proc = b     #guilt begins here
>         def test
>             @@proc.call
>         end
>     }
> end
> 
> class Test
>     func_meta { puts("test") }
> end
> 
> t = Test.new
> t.test
> ///// END funcmeta.rb /////
> 
> any clean way to do this without resorting to a class variable?
> 
> thanks in advance, you darned helpful people!
> 
> ~Kyle

def func_meta(&b)
     class_eval {
         define_method :test, &b
     }
end

class Test
     func_meta { puts("test") }
end

t = Test.new
t.test


-- 
        vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407