Change parallelization crate from pariter to rayon

Author: UnderscoreTud

Cargo.lock

@@ -29,5 +29,5 @@ tinyjson = "2.5.1"
 
 # Solution dependencies
 itertools = "0.13.0"
-pariter = "0.5.1"
+rayon = "1.10.0"
 regex = "1.11.1"

Cargo.toml

@@ -27,9 +27,9 @@ Solutions for [Advent of Code](https://adventofcode.com/) in [Rust](https://www.
 | [Day 3](./src/bin/03.rs) | `561.0µs` | `565.5µs` |
 | [Day 4](./src/bin/04.rs) | `560.8µs` | `161.9µs` |
 | [Day 5](./src/bin/05.rs) | `344.6µs` | `323.6µs` |
-| [Day 6](./src/bin/06.rs) | `499.6µs` | `160.3ms` |
+| [Day 6](./src/bin/06.rs) | `492.2µs` | `118.9ms` |
 
-**Total: 164.11ms**
+**Total: 122.70ms**
 <!--- benchmarking table --->
 
 ---

README.md

@@ -1,6 +1,7 @@
+use rayon::iter::ParallelIterator;
 use std::collections::HashSet;
 use itertools::Itertools;
-use pariter::{scope, IteratorExt};
+use rayon::prelude::IntoParallelRefIterator;
 
 advent_of_code::solution!(6);
 
@@ -112,8 +113,8 @@ pub fn part_two(input: &str) -> Option<u32> {
     map.predict_path();
     let mut original_path = map.visited_pos;
     original_path.remove(&map.starting_pos);
-    Some(scope(|scope| original_path.iter()
-        .parallel_filter_scoped(scope, move |pos| {
+    Some(original_path.par_iter()
+        .filter(|pos| {
             let mut new_obstacles = map.obstacles.clone();
             new_obstacles.insert(**pos);
             let mut map = Map {
@@ -123,7 +124,7 @@ pub fn part_two(input: &str) -> Option<u32> {
             };
             map.has_loop()
         })
-        .count() as u32).unwrap())
+        .count() as u32)
 }
 
 #[cfg(test)]