From: Jim Weirich <jweirich@...>
Date: 2003-03-24T17:23:40+09:00
Subject: Re: Iteration styles (was Ruby lecture slides)

On Mon, 2003-03-24 at 02:12, Paul Prescod wrote:

> Yes, but the "for" loop doesn't know what you're doing so the syntax is 
> gross. Even moreso in Java than C++ IIRC.

Yes, particularly because Java requires a cast everytime you call
next().

> [...] The following code was grabbed from [Hipster's home 
> page], and he says that he got it from a ruby-talk post, so the original 
> author is unknown. 

Hmmm ... that code looks really familiar.  I'll have to check the
archives, but I'm ninety percent sure that was my example.  Inline the
do_generation method and drop the private and you end up with 21 lines
of code ... my guess was pretty close.

-- 
-- Jim Weirich     jweirich@one.net    http://w3.one.net/~jweirich
---------------------------------------------------------------------
"Beware of bugs in the above code; I have only proved it correct, 
not tried it." -- Donald Knuth (in a memo to Peter van Emde Boas)