From: Simon Harrison <simon@...>
Date: 2011-04-05T05:05:44+09:00
Subject: Re: Using grep on subarrays - help!

Thanks Rob,very useful. Any chance of expanding on this at all:

"a quick, single block
arg" (as in arry.map{|_|_.something} to mean the same as
arry.map(&:something) without needing Symbol#to_proc)."

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