From: jooma lavata <lists@...>
Date: 2013-01-29T02:39:46+09:00
Subject: Please explain in English

I'm learning Ruby and I'm reading some expression that I saw on the
forum. I'm coming from Javascript. This is really hard for me. Please
help explain to me in plain English. I understand that it's a Function
that takes string and count words to return a Hash.

def count_words(string)
  res = Hash.new(0)
  string.downcase.scan(/\w+/).map{|word| res[word] =
string.downcase.scan(/\b#{word}\b/).size}
  return res
end

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