From: Chuck Taylor <edudeth@...>
Date: 2010-04-11T09:31:39+09:00
Subject: question about pickaxe code example

in chapter 12 of pickaxe in the tutthreads_10.rb example there is a line

threads.each(&:join)

that appears to be doing what you would expect from the line

threads.each {|t| t.join}

I'm wondering if anyone could point me at a more general description of
how this bit of code is doing something like turning a symbol into a
code block?  (this is totally a guess on my part)

Thanks for any light that you can shed on the matter.

-chuck
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