From: Martin DeMello <martindemello@...>
Date: 2006-02-07T21:48:21+09:00
Subject: Re: lazy evaluation?

vidar.hokstad@gmail.com <vidar.hokstad@gmail.com> wrote:
> 
> It's your assumption of where the "retry" restarts execution that's
> wrong... Essentially the retry in "repeat" will restart execution right
> before the call to repeat, not at the start of the "repeat" method,
> thus evaluating the arguments again.
> 
> You can see that by changing your code so that there's an observable
> side effect of the reevaluation:

This seems wrong to me, for precisely the reason you cite - it means
that I can never do something like object.foo(ary.pop), without
physically reading the source of #foo to see whether it calls retry
anywhere.

martin