AdventOfCode2019 | Solutions to all 25 AoC 2019 problems in Rust | Learning library
kandi X-RAY | AdventOfCode2019 Summary
kandi X-RAY | AdventOfCode2019 Summary
Solutions to all 25 AoC 2019 problems in Rust
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QUESTION
Given a tree, how do you generate a list of all (proper) subtrees in Clojure using higher order functions?
Background
I am working on Advent of Code 2019 Problem #6. The problem begins with an adjacency list. I have represented the adjacency list as an n-ary tree, using Clojure lists, with the following structure.
A node that is not a leaf is a list with two parts: the first part is an element representing the root of that section of the tree; the second part is a n elements representing branches from the root. Leaves are lists having a keyword as their only element. Thus, I represent a tree of the form,
...ANSWER
Answered 2020-Jun-21 at 20:10You can accomplish with the function walk-with-parents-readonly
from the Tupelo library. Here is the code:
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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