From: Robert Dober <robert.dober@...>
Date: 2010-06-04T02:00:04+09:00
Subject: Re: dynamicaly define a method which body can contain yield

On Thu, Jun 3, 2010 at 6:22 PM, Regis d'Aubarede
<regis.aubarede@gmail.com> wrote:
> Robert Dober wrote:
>
>> in 1.8. you have to do some nasty tricks with converting methods to
>> blocks or use simply "eval" or "module_eval" with a string.
>>
>
> I  try actualy with 1.9, but no solution by the way ...
> --
ok my bad, you call yield in the "client" block, that cannot work, let
us look at what yield really is

def implicit
  yield # invoke the block provided by the client
end

def explicit &blk
  blk[] # or blk.call, here it is clearer
end

now on the client side

implicit{ yield } # what shall be invoked here???

obviously
  explicit{ blk[] }
cannot work as blk is the block you provide here, right.

Does this make your problem clearer?

HTH
R.

now if you call ex
> Posted via http://www.ruby-forum.com/.
>
>



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