goose.art
Trying to do advent of code in Rust. I am very new to rust so please help if you see me doing something stupid!!
day 11, failing
Signed-off-by: goose.art <business@goose.art>
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day11/Cargo.lock
+186
day11/Cargo.lock
···
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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+7
day11/Cargo.toml
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day11/Cargo.toml
+10
day11/smallinput.txt
+10
day11/smallinput.txt
+42
day11/src/main.rs
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day11/src/main.rs
···
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mod server;
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use clap::Parser;
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use server::Server;
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#[derive(Parser)]
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struct Args {
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#[clap(short, long)]
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file: String,
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#[clap(short, long)]
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debug: bool,
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}
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fn main() {
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let args = Args::parse();
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if args.debug {
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println!("=== Debug mode enabled ===");
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}
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let mut nodes: Vec<Server> = Vec::new();
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let file_contents = std::fs::read_to_string(&args.file).expect("Failed to read file");
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for line in file_contents.lines() {
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let tokens = line.split_whitespace().collect::<Vec<_>>();
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let source = tokens[0];
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let destinations = &tokens[1..];
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println!("Source: {}, Destinations: {:?}", source, destinations);
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let mut server = Server::new(&source[..source.len() - 1]);
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let source_exists = nodes.iter().any(|s| s.label == source);
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for next_label in destinations {
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let server_exists = nodes.iter().any(|s| s.label == **next_label);
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if !server_exists {
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let next_server = Server::new(next_label);
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nodes.push(next_server);
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}
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let index = nodes.iter().position(|s| s.label == **next_label).unwrap();
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server.add_next(index);
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}
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}
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println!("{:?}", nodes);
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}
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day11/src/server.rs
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day11/src/server.rs
···
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use std::fmt::Debug;
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#[derive(Debug, Eq, PartialEq, Hash)]
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pub struct Server {
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pub label: String,
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next: Vec<usize>, // Store indices instead of references
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}
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impl Server {
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pub fn new(label: &str) -> Self {
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Server {
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label: label.to_string(),
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next: Vec::new(),
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}
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}
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pub fn add_next(&mut self, next_index: usize) {
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self.next.push(next_index);
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}
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}