Talk:Doubly-linked list/Element definition

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Revision as of 22:56, 18 July 2008 by rosettacode>Waldorf (Questions about the use of NOT NULL in the Ada 2005 version)
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The Ada 2005 version includes links Next and Previous with the Not Null attributes. How does one designate either end of the doubly linked list without the null link? Another way to ask is, what does the previous link access at the head of the list, and what does the Next link access at the end of the list? --Waldorf 22:56, 18 July 2008 (UTC)

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