Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.

My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.

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class Class
  def __clean__
    instance_methods.each do |meth|
      next if ["__send__", "__id__"].include? meth
      define_method("__#{meth}__".to_sym, instance_method(meth))
      undef_method meth
    end
  end
end

class Future

  __clean__
  
  def initialize(&b)
    @available = false
    @value     = nil
    @thread    = Thread.new { @value = b.call; @available = true }
  end
  
  def method_missing(name, *args, &block)
    if @available
      @value.send(name, *args, &block)
    else
      Future.new { __join__; send name, *args, &block }
    end
  end
  
  def __join__
    @thread.join
  end
  
  def __demand__
    join
    @value
  end
end