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day03 task 2 cleanup

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Johannes
2019-12-04 20:35:24 +01:00
parent be49fbe161
commit c6bb71b1db
1 changed files with 3 additions and 5 deletions
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8
src/tasks/day03.rs
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@@ -102,11 +102,9 @@ fn task2(p1: &Vec<&str>, p2: &Vec<&str>) {
} }
fn get_points(path: &Vec<&str>) -> HashMap<(i32, i32), usize> { fn get_points(path: &Vec<&str>) -> HashMap<(i32, i32), usize> {
let mut directions = HashMap::new(); let directions = vec![('U', (0, 1)), ('D', (0, -1)), ('L', (-1, 0)), ('R', (1, 0))]
directions.insert('U', (0, 1)); .into_iter()
directions.insert('D', (0, -1)); .collect::<HashMap<_, _>>();
directions.insert('L', (-1, 0));
directions.insert('R', (1, 0));
path.iter() path.iter()
.map(|it| { .map(|it| {
let direction = it.chars().next().unwrap(); let direction = it.chars().next().unwrap();