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Replace drain with split_at
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Julius 2021-12-04 10:45:54 +01:00
parent 0074ccaf0f
commit e1130b20f3
Signed by: j00lz
GPG key ID: AF241B0AA237BBA2
1 changed files with 4 additions and 5 deletions
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9
src/day04.rs
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@ -11,13 +11,12 @@ struct Board(Vec<Vec<Option<u32>>>);
impl Day for Day04 { impl Day for Day04 {
fn init(content: String) -> Self where Self: Sized { fn init(content: String) -> Self where Self: Sized {
let mut l = content.lines().collect::<Vec<&str>>(); let l = content.lines().collect::<Vec<&str>>();
let first = l[0]; let (a, b) = l.split_at(2);
let a = l.drain(0..2); let first = a[0];
drop(a);
let nums = first.split(',').map(|x| x.parse::<u32>().expect("wat?")).collect(); let nums = first.split(',').map(|x| x.parse::<u32>().expect("wat?")).collect();
let split = l.split(|x| x.is_empty()); let split = b.split(|x| x.is_empty());
let boards = split.map(|vecs| let boards = split.map(|vecs|
vecs.iter().map( vecs.iter().map(