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A comment on Functionally Solving Problems With Haskell. Parent comment

Re:Functionally Solving Problems With Haskell by quchen on Saturday April 05, 2014 @06:10PM (#7538658)
Stuff like this is all over LYAH, silly hidden unrelated jokes. Read the tree in the Zipper chapter :-) http://learnyouahaskell.com/zippers
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Re:Functionally Solving Problems With Haskell by groovy2shoes on Saturday April 05, 2014 @07:33PM (#7538895)
Also, be sure to read the tree with a pre-order traversal. In-order and post-order traversals yield a nonsensical string.
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