From: Yukihiro Matsumoto <matz@...>
Date: 2006-07-07T00:01:42+09:00
Subject: Re: [Bug?] Confused exception handling in Continuation Context

Hi,

In message "Re: [Bug?] Confused exception handling in Continuation Context"
    on Thu, 6 Jul 2006 21:04:25 +0900, "Robert Dober" <robert.dober@gmail.com> writes:

|Yes that was surprising for me too, but it was discussed before, and so
|far there is nobody who pointed out why, did you BTW?
|Furthermore this is not about the continuation, understanding the
|continuation is not even necessary to identify the buggy behavior.
|This is about the exception handling.

No.  It's about the continuation.

I will try to explain.  Your last call of i.next invokes continuation
pointed by @next, that restores the execution context to the previous
call of next (in the loop), then raise the exception at the point.
You have to reset @next before raising exception.

							matz.