From: Florian Gross <flgr@...>
Date: 2004-09-24T02:39:32+09:00
Subject: Re: "no block given" with closure?

Bob Sidebotham wrote:

> When I execute this code, I get "no block given (LocalJumpError)":
> 
> class S
>   def initialize(&b1)
>     @b1 = b1
>   end
>   def each
>     @b1.call
>   end
> end
> 
> s = S.new {[1,2,3].each {|i| yield i }}.each {|v| puts v}

The yield looks for blocks only in the method where it is used.

I think this is by design.

You might be able to work around this by using eval with a binding. But 
that wouldn't be any better than the solution where you yield the block.

Regards,
Florian Gross