From ab9254111993b52d75119ede695a86ef014e8916 Mon Sep 17 00:00:00 2001
From: Max Nuding <max.nuding@icloud.com>
Date: Sun, 4 Dec 2022 08:15:37 +0000
Subject: [PATCH] Use tuple_map to map tuples

---
 Cargo.lock       |  7 +++++++
 Cargo.toml       |  1 +
 src/day04/mod.rs | 11 +++--------
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 5540719..7231a52 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,6 +27,7 @@ dependencies = [
  "chrono",
  "itertools",
  "regex",
+ "tuple-map",
 ]
 
 [[package]]
@@ -303,6 +304,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "tuple-map"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23d5919d7121237af683b7fa982450597b1eaa2643e597aec3b519e4e5ab3d62"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.5"
diff --git a/Cargo.toml b/Cargo.toml
index 965ed56..ffbb899 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ edition = "2021"
 chrono = "0.4.23"
 itertools = "0.10.5"
 regex = "1.7.0"
+tuple-map = "0.4.0"
 
 [features]
 default = ["part1", "part2", "today"]
diff --git a/src/day04/mod.rs b/src/day04/mod.rs
index a6f9555..3ceb09a 100644
--- a/src/day04/mod.rs
+++ b/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")]
     {