From: Brian Candler <b.candler@...>
Date: 2008-10-30T17:22:22+09:00
Subject: Re: Question about case statement and lambdas

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.
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