First, the data structure. We will be using a mutually recursive pair of a tree, which holds a value, and a forest, which holds a linked list of trees:
I’m curious about alternative approaches to this problem which might produce code which is easier to maintain and reason about. Verity has also shown me an encoding based off of zippers, which may be another path forward. I feel like starting from a CPS encoding of the recursive functions might also present interesting possibilities.。业内人士推荐吃瓜作为进阶阅读
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