From: William Song <wei_song1990@...>
Date: 2010-06-08T07:16:33+09:00
Subject: Defining struct in a class

How can I properly define a struct in a class?

If I have

class Cards
    Card = Struct.new(:suit, :number)
    @cardsOnHand=[]

    @cardsOnHand.push(Card.new("S","5"))
end

This will give me an error message saying the push is not defined for
NilClass. How should I fix this?
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