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2 points by almkglor 6139 days ago | link | parent

Here's an implementation of lists which work mostly as arrays, until you actually use scdr. This seamlessly handles dotted lists and is optimized for proper lists.

http://www.arclanguage.com/item?id=4146

Edit: arrays are unrolled lists where m=inf, while standard Lisp cons cells are unrolled lists where m=1.

Edit 2: remember, (isnt implementation interface)