From: "Peña, Botp" <botp@...>
Date: 2008-10-30T11:40:27+09:00
Subject: Re: Question about case statement and lambdas

From: Jeff [mailto:cohen.jeff@gmail.com] 
# # Attempt #4
#   <snip>
#     options = options.call(*args) if options.is_a?(Proc)
#     Scope.new(parent_scope, options, &block)
#  <snip>

the only difference i see is that #4 modifies options