[<<][libprim][>>][..]Fri Aug 14 18:01:53 CEST 2009
As the CONS of two stacks? Note that this gives only amortized O(1) addittions and removals, and might for that reason not be a good candidate. Otoh, it does allows representation as a tree. Because of the linear nature however, mutable vector-based solutions might work.
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