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65 lines
1.3 KiB
65 lines
1.3 KiB
use std::collections::HashMap;
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use regex::Regex;
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use errors::*;
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pub fn solve(input: &str) -> Result<String> {
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Ok("".into())
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}
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struct Factory {
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bots: HashMap<usize, Bot>,
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}
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impl Factory {
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fn parse(input: &str) -> Result<Self> {
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let re =
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Regex::new(r"bot (\d+) gives low to bot (\d+) and high to bot (\d+)")
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.unwrap();
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let mut bots = HashMap::new();
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for line in input.lines() {
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if let Some(caps) = re.captures(line) {
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let id = caps[1].parse().unwrap();
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bots.insert(id,
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Bot {
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id: id,
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values: Vec::new(),
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});
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}
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}
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Ok(Factory { bots: bots })
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}
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}
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struct Bot {
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id: usize,
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values: Vec<usize>,
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}
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impl Bot {
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fn push(&mut self, value: usize) {
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self.values.push(value);
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}
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}
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#[test]
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fn test_factory() {
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let input = "value 5 goes to bot 2
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bot 2 gives low to bot 1 and high to bot 0
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value 3 goes to bot 1
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bot 1 gives low to output 1 and high to bot 0
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bot 0 gives low to output 2 and high to output 0
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value 2 goes to bot 2";
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let mut factory = Factory::parse(input).unwrap();
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assert_eq!(factory.bots.len(), 1);
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let mut bot = factory.bots.get_mut(&2).unwrap();
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bot.push(2);
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assert_eq!(bot.values, vec![2]);
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// After running, outputs are 5, 2, 3.
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}
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