From: Daniel Schierbeck <daniel.schierbeck@...>
Date: 2006-12-05T23:54:06+09:00
Subject: Re: How do I catch a missing method on a passed block?

On Tue, 2006-12-05 at 08:04 +0900, J2M wrote:
> I would like to invoke method_missing on baz in this code;
> 
> x = Foo.new
> x.bar { baz }
> 
> I tried the following, and although the method is added to the proc
> objects singleton class, the method_missing method never gets called.
> Is there any way to achieve this? My current code (that doesn't work)
> is below;
> 
> class Foo
> 
>   def bar(*values, &block)
> 
>     if block_given?
> 
>       class << block
>         def method_missing(m, *args, &block)
>           puts "missing #{m}"
>         end
>       end  
> 
>       block.call
> 
>     end  
>   end
> end

  class Foo
    def bar
      yield
    rescue NoMethodError => error
      # mojo goes here
    end
  end


Cheers,
Daniel