From: Florian Gross <flgr@...>
Date: 2004-10-05T04:49:52+09:00
Subject: Re: Kernel#eval taking a block

trans. (T. Onoma) wrote:

> I see. So this kind of thing just can't happen I take it. (Hmm... I think we 
> discussed this kind of thing on core once.) It would be nice if we could pass 
> in locals to the binding:
> 
>   eval(tb, a) { |a| cool = a.call(cool) }
> 
> It might also be nice if this could be done without "stepping on toes" (i.e. 
> overwriting binding's locals).

You can use this workaround:

eval("cool = yield.call(cool)", tb) { a }

And in this case also:

eval("cool = yield(cool)", tb, &a)

Regards,
Florian Gross