From: Yukihiro Matsumoto <matz@...>
Date: 2005-12-11T09:03:28+09:00
Subject: Re: next, retry, break?

Hi,

In message "Re: next, retry, break?"
    on Sun, 11 Dec 2005 04:40:33 +0900, MenTaLguY <mental@rydia.net> writes:

|> Right, if the term "closest" means what I thought.
|
|I think the word I wanted was "innermost"..?

Then, I think you were wrong.

|I just tried this and it works fine:
|
| class Spleen
|   def initialize
|     @arr = [1, 2, 3]
|   end
|   def each(&blk)
|     @arr.each(&blk)
|     self
|   end
| end
|
| s = Spleen.new
| k = s.each { break 42 }
| p k #=> 42
|
|I'm happy now, except (given my understanding of 'break' behavior above)
|I don't understand why it works.  Does the call to Array#each with &blk
|count as the innermost yield?  Or does it cause the yield in Array#each
|to be accounted to Spleen#each?

"break" breaks the lexically closest one, in this case Spleen.each,
not Array#each called within Spleen#s.

							matz.