jdkaplan/advent-of-code
Watch
1
0
Fork
You've already forked advent-of-code
 0
Code Issues Activity

Default + Option is less weird

Browse source
This commit is contained in:
Jeremy Kaplan 2022-12-11 18:11:30 -08:00
commit 339498cbdd
1 changed files with 9 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

20
2022/src/bin/day11.rs
View file

@ -16,12 +16,12 @@ fn monkey_business(mut monkeys: Vec<Monkey>, rounds: usize, confidence: i64) ->
for _ in 1..=rounds {
for m in 0..monkeys.len() {
// Don't forget to put the monkey back in the vec when we're done!
let mut monkey = std::mem::take(&mut monkeys[m]);
let mut items = std::mem::take(&mut monkey.items);
for mut item in items.drain(0..) {
for mut item in monkey.items.drain(0..) {
monkey.inspections += 1;
item.worry = monkey.operation.apply(item.worry);
item.worry = monkey.operation.unwrap().apply(item.worry);
item.worry /= confidence;
item.worry %= yolo_factor;
@ -44,7 +44,7 @@ fn monkey_business(mut monkeys: Vec<Monkey>, rounds: usize, confidence: i64) ->
struct Monkey {
id: usize,
items: VecDeque<Item>,
operation: Operation,
operation: Option<Operation>,
test: Test,
inspections: usize,
@ -57,23 +57,21 @@ struct Item {
worry: Worry,
}
#[derive(Debug, Copy, Clone, Default)]
#[derive(Debug, Copy, Clone)]
struct Operation {
operator: Operator,
operand: Operand,
}
#[derive(Debug, Copy, Clone, Default)]
#[derive(Debug, Copy, Clone)]
enum Operator {
#[default]
Plus,
Times,
}
#[derive(Debug, Copy, Clone, Default)]
#[derive(Debug, Copy, Clone)]
enum Operand {
Const(i64),
#[default]
Old,
}
@ -105,8 +103,8 @@ impl Operation {
match (self.operand, self.operator) {
(Const(n), Plus) => old + n,
(Old, Plus) => old + old,
(Const(n), Times) => old * n,
(Old, Plus) => old + old,
(Old, Times) => old * old,
}
}
@ -184,7 +182,7 @@ impl Monkey {
.collect()
};
let operation = Operation::parse(lines[2]);
let operation = Some(Operation::parse(lines[2]));
let test = Test::parse(&lines[3..]);
Self {