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2022 day6/rust: relax type bounds

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Xiretza 2022-12-06 17:32:44 +01:00
parent 236b80b45c
commit 59c1d54801
1 changed files with 3 additions and 5 deletions
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8
2022/day6/rust/src/main.rs
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@ -2,17 +2,15 @@
use std::io::{stdin, Read}; use std::io::{stdin, Read};
fn all_distinct<T: Ord>(slice: &[T]) -> bool { fn all_distinct<T: PartialEq>(slice: &[T]) -> bool {
slice slice
.iter() .iter()
.enumerate() .enumerate()
.all(|(i, x)| slice[i + 1..].iter().all(|y| y != x)) .all(|(i, x)| slice[i + 1..].iter().all(|y| y != x))
} }
fn end_of_first_distinct_run<T: Ord>(data: &[T], len: usize) -> Option<usize> { fn end_of_first_distinct_run<T: PartialEq>(data: &[T], len: usize) -> Option<usize> {
data.windows(len) data.windows(len).position(all_distinct).map(|i| i + len)
.position(|cs| all_distinct(cs))
.map(|i| i + len)
} }
fn main() { fn main() {