From: Joel VanderWerf <vjoel@...>
Date: 2009-05-15T06:48:57+09:00
Subject: Re: BitStruct technique

Chuck Remes wrote:
>   def initialize message
>    # parens on #super are important so no args
>    # are passed up to the parent; if this part fails
>    # then you missed
>    super() do |struct|
>     struct.context = message[:a]
>     struct.password = message[:b]
>     struct.usr_name = message[:c]

If you add this line here:

       yield struct if block_given?

then the block initialization can still be used by subclasses or by the 
caller of #new:

c = C.new hsh do |struct|
   struct.context = 2
end

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407