Use tuple_map to map tuples

src/day04/mod.rs

@@ -1,10 +1,8 @@
 use crate::read;
+use tuple_map::*;
 
 fn get_ranges(elf: &str) -> std::ops::RangeInclusive<i32> {
-    let r = elf
-        .split_once('-')
-        .map(|e| (e.0.parse().unwrap(), e.1.parse().unwrap()))
-        .unwrap();
+    let r = elf.split_once('-').unwrap().map(|e| e.parse().unwrap());
     r.0..=r.1
 }
 
@@ -13,10 +11,7 @@ pub fn run() {
 
     let lines = input
         .lines()
-        .map(|l| {
-            let pairs = l.split_once(',').unwrap();
-            (get_ranges(pairs.0), get_ranges(pairs.1))
-        })
+        .map(|l| l.split_once(',').unwrap().map(get_ranges))
         .collect::<Vec<_>>();
     #[cfg(feature = "part1")]
     {