From: Matthias Reitinger <reitinge@...>
Date: 2009-03-09T16:51:35+09:00
Subject: Re: Where's the best version of Hash#pass and Hash#block?

Phlip wrote:
> Where's the best modern version of those methods?

Here's my shot at it:

  class Hash
    def pass(*keys)
      Hash[select {|k,v| keys.include? k}]
    end

    def block(*keys)
      reject {|k,v| keys.include? k}
    end
  end

-Matthias
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