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Home/Magazine Archive/November 1970 (Vol. 13, No. 11)/A nonrecursive list compacting algorithm/Abstract

A nonrecursive list compacting algorithm

By C. J. Cheney
Communications of the ACM, November 1970, Vol. 13 No. 11, Pages 677-678
10.1145/362790.362798
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A simple nonrecursive list structure compacting scheme or garbage collector suitable for both compact and LISP-like list structures is presented. The algorithm avoids the need for recursion by using the partial structure as it is built up to keep track of those lists that have been copied.

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