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I'm wanting to figure out what the &: syntax does, but I'm not exactly sure
how to search for it given that it contains special characters... a search
on google for "ruby &:" doesn't really give me anything worth looking at,
and I just checked through the first edition of the Pickaxe (I don't own the
second edition), and couldn't find anything in there, either (although,
sometimes I miss really obvious things, so I suppose it's possible I just
missed it in there).

If someone could either explain it to me, or point me in the direction of
something that explains it, I would greatly appreciate it.

(And I also tried searching on ruby-forum.org for &:... it returns
"Application Error")

Thanks.

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