From: Alex Baranosky <abaranosky@...>
Date: 2010-02-28T15:55:50+09:00
Subject: Re: Array index question

Here's my solution in 1.9:

class Array
  def indices_of(value)
    indices = self.each_with_index.select { |v, i| v == value 
}.collect{|v, i| i }
    indices.empty? ? nil : indices
  end
end
-- 
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