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Stuff like this is all over LYAH, silly hidden unrelated jokes. Read the tree in the Zipper chapter :-) http://learnyouahaskell.com/zippers http://learnyouahask

by quchen 13y ago

Stuff like this is all over LYAH, silly hidden unrelated jokes. Read the tree in the Zipper chapter :-) http://learnyouahaskell.com/zippers http://learnyouahaskell.com/zippers

groovy2shoes 13y ago
Also, be sure to read the tree with a pre-order traversal. In-order and post-order traversals yield a nonsensical string.