From: Hans Mackowiak <lists@...>
Date: 2012-05-29T20:37:06+09:00
Subject: Re: how to create 'numbered symbols' in iterator?

you can

subkeys = {}
4.times do |i|
subkeys[:"key#{i}"] = OpenSSL::Digest::SHA256.new.digest("#{i} #{key}")
end

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