From: "David A. Black" <dblack@...>
Date: 2008-10-30T21:44:31+09:00
Subject: Re: Question about case statement and lambdas

Hi --

On Thu, 30 Oct 2008, Brian Candler wrote:

> David A. Black wrote:
>> Expanding on Botp's point about options being changed:
>>
>> The problem is that if options is a Proc the first time you call the
>> lambda, it isn't the second time. It's still whatever got assigned to
>> it.
>
> And whilst at first glance it seems that 'options' is actually "just" a
> local method argument which drops out of scope when the method returns,
> it is of course bound into the environment of the lambda (i.e. the
> closure), and persists there.

Yes, I should have made that explicit -- I had the impression the OP
was hip to that part.


David

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