© 1972 by British Computer Society
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A generalised compactifying garbage collector*

Center for Research in Computing Technology, Harvard University, Cambridge, Massachusetts, USA
A technique for compactifying garbage collection is presented. The method is applicable to very general classes of nodes, works even when pointers point into the middle of nodes, and preserves arbitrarily complex re-entrant pointer structures.
Received October 1971.
* This work was supported in part by the US Air Force, Electronics System Division, under Contract F19628
Center for research in Computing Technology, Harvard University, Cambridge, Massachusetts, USA