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By dotCore
via ericlippert.com
Submitted: Sep 24 2013 / 00:56

Last time in this series we built a Natural object that represented a number as a linked list of bits, with the least significant bit in the head and the most significant bits in the tail. We use the "null object pattern" where a Zero tail represents that the remaining bits in the sequence are all zero, and the sequence of bits never ends in a zero bit followed by Zero.
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