Hacker News
- Functional Tests as a Tree of Continuations (2010) https://www.evanmiller.org/functional-tests-as-a-tree-of-continuations.html 32 comments
- Functional Tests As A Tree Of Continuations (Erlang) http://www.evanmiller.org/functional-tests-as-a-tree-of-continuations.html 7 comments
- Purely Functional AVL Trees in Common Lisp (2018) https://two-wrongs.com/purely-functional-avl-trees-in-common-lisp.html 3 comments
- Purely Functional Data Structures : Red Black Trees in Qi http://jng.imagine27.com/articles/2011-06-28-141124_purely_functional_types_red_black_trees_in_qi.html 11 comments
- Alex: ML-enhanced range index, similar in functionality to a B+ Tree https://github.com/microsoft/ALEX#introduction 4 comments
Lobsters
- Finger Trees Explained Anew, and Slightly Simplified (Functional Pearl) https://dl.acm.org/doi/pdf/10.1145/3406088.3409026 5 comments compsci , haskell , pdf
- hitchhiker-tree: B+ tree, append-only log and functional persistent datastructure three in one https://github.com/datacrypt-project/hitchhiker-tree/blob/master/doc/hitchhiker.adoc 2 comments api , databases
- Chain - a Goofy, Functional, Tree-backed List https://dev.to/fluentfuture/chain-a-goofy-functional-tree-backed-list-34dm 14 comments java
- Functional Behavior Tree Design Pattern for Unity/C# https://github.com/dmitrybaltin/FunctionalBT 4 comments unity3d
- Optimizing Functional Walks of File Trees https://github.com/mpilquist/blog-walks/blob/main/README.md 18 comments scala
- Functional Programming with B trees https://fmlib-ocaml.readthedocs.io 6 comments compsci
- I'm trying to display a search tree using a function but it doesn't display anything https://www.reddit.com/r/learnprogramming/comments/7h8xkk/im_trying_to_display_a_search_tree_using_a/ 5 comments learnprogramming
- Belgium's environment minister: "trees have always had the function to be chopped down". http://deredactie.be/cm/vrtnieuws.english/news/1.2669637 43 comments europe
- Functional red black tree https://github.com/mikolalysenko/functional-red-black-tree 4 comments javascript
- Functional Data Structures in C++: Trees http://bartoszmilewski.com/2013/11/25/functional-data-structures-in-c-trees/ 14 comments cpp
- Traverses tree structure and executes your function https://github.com/ddddddO/gtree#walkprogrammably-func 3 comments golang
- [C++]Binary search tree delete node function https://gist.github.com/mirsahib/ad25e05603b7c4d7cdacacc5af190217 3 comments learnprogramming
- Finger Trees: functional sequence data structure http://andrew.gibiansky.com/blog/haskell/finger-trees/ 6 comments programming
- A "functional pearl": trees in Haskell http://obfuscatedcode.wordpress.com/2008/02/16/functional-pearl-trees/ 17 comments programming
- Drawing Trees Functionally: Reingold and Tilford, 1981 (with pretty animations!) https://williamyaoh.com/posts/2023-04-22-drawing-trees-functionally.html 6 comments haskell
- Recursion Visualizer - see the recursion tree of any function written in Python https://www.recursionvisualizer.com/?function_call=virfib%285%29&function_definition=def+virfib%28n%29%3A%0A++if+n+%3D%3D+0%3A%0A++++return+0%0A++if+n+%3D%3D+1%3A%0A++++return+1%0A++else%3A%0A++++return+virfib%28n+-+1%29+%2B+virfib%28n+-+2%29%0A++++ 5 comments programming
- I've created a function that flattens a tree while preserving the nesting level (lodash/fp) https://www.reddit.com/r/javascript/comments/6os152/ive_created_a_function_that_flattens_a_tree_while/ 31 comments javascript
- Purely Functional Data Structures : Red Black Trees in Qi http://jng.imagine27.com/articles/2011-06-28-141124_purely_functional_types_red_black_trees_in_qi.html 8 comments programming
- Red/Black Trees in a Functional Setting (Okasaki ps) http://www.eecs.usma.edu/webs/people/okasaki/jfp99.ps 4 comments programming
- Finger Tree: a purely functional data structure used in efficiently implementing other functional data structures http://en.wikipedia.org/wiki/finger_tree 37 comments programming
- Shared TIR enzymatic functions regulate cell death and immunity across the tree of life https://www.science.org/doi/10.1126/science.abo0001 3 comments science
- Red-Black Trees: "it never ceases to amaze me how succinct and beautiful the functional approach can be" http://semanticvector.blogspot.com/2008/05/red-black-tree-in-2-hours.html 52 comments programming
- A simple “remember open files” function for neovim + neo-tree. https://medium.com/@oneofone/a-simple-remember-open-files-function-for-neovim-neo-tree-45b83c89da71 3 comments neovim
- List — a fast immutable list with a functional API, tree-shaking support, TypeScript types, Ramda integration, and Fantasy Land compatibility https://github.com/funkia/list 7 comments javascript
- Is it NP-hard to find (the root of) a small decision tree for a monotone boolean function? http://cstheory.stackexchange.com/q/35935/1037 3 comments compsci
- Good Math, Bad Math gets purely functional finger trees right this time http://scienceblogs.com/goodmath/2010/04/finger_trees_done_right_i_hope.php?utm_source=feedburner&utm_medium=feed&utm_campaign=feed%3A+scienceblogs%2Fcykn+%28good+math%2C+bad+math%29 4 comments haskell
- Skip graphs are a novel distributed data structure... that provide the full functionality of a balanced tree in a distributed system http://www.cs.yale.edu/homes/aspnes/skip-graphs-abstract.html 6 comments programming
- Olive tree pearls may alleviate cognitive problems in middle-aged and older adults. Even after 12 weeks, the cognitive functions of complex attention, reaction time, cognitive flexibility, processing speed, and executive function demonstrated statistical significance https://www.mdpi.com/2072-6643/15/14/3234 5 comments science
- “If we were to think about how to radically change agriculture, one of the ways we would do that is to eliminate tillage agriculture by planting trees that do the same function." – Eliza Greenman, Savanna Institute https://www.theguardian.com/environment/2022/dec/24/push-to-seed-america-with-chestnuts?CMP=share_btn_tw 2 comments climate
- Research shows living near trees, green vegetation may prevent vascular damage from air pollution. Researchers found that “the effects of green spaces on hemodynamic function are largely independent of median household income, physical activity levels and tobacco use" https://journals.physiology.org/doi/abs/10.1152/ajpheart.00689.2020?utm_source=ajpheart&utm_medium=pressrelease&utm_campaign=1.21.2021 3 comments science
- A JSON based tree structure with drag and drop functionally to re-arrange the tree. Show-cases some useful tree operations for deeply nested JSON data and webpack configuration for reducing bundle sizes. It was an interview question from a company in Munich. Fortunately, I didn't got the job. 😎 https://github.com/shoumma/organigram 50 comments javascript
- Introducing Bao, a general-purpose cryptographic tree hash, and perhaps the fastest hash function in the world [my talk at the Rust NYC meetup] https://youtu.be/Dya9c2DXMqQ 12 comments crypto
- Introducing Bao, a general-purpose cryptographic tree hash, and perhaps the fastest hash function in the world [my talk at the Rust NYC meetup] https://youtu.be/Dya9c2DXMqQ 35 comments rust
- [Clojure] TIL about tree-seq, a one-line function that returns a lazy sequence of elements in depth-first order of any tree-like structure. https://clojuredocs.org/clojure.core/tree-seq 3 comments programmertil