From: Tom Sawyer <transami@...>
Date: 2003-01-18T17:10:51+09:00
Subject: Re: quick: it responds, it evaluates, and is not empty

found this useful:

class Object

  def respond_with_value(sym)
    return nil if not respond_to?(sym)
    v = send(sym)
    case v
    when nil, false, 0, 0.0, '', [], {}
      return false
    else
      return v
    end
  end

end

-- 
tom sawyer, aka transami
transami@transami.net


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