in reply to what do you call this data structure?

I call it incomplete. Where are zero and nine?

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Re^2: what do you call this data structure?
by BillKSmith (Monsignor) on Aug 28, 2013 at 13:28 UTC
    Not necessarily. Let's give the OP the benefit of the doubt and assume that the names make sense in context. (e.g. He is working with eight objects.)
    Bill