From c875ec58260fd7a1cc5484731d92d751953301c3 Mon Sep 17 00:00:00 2001
From: David Ashby <delta.mu.alpha@gmail.com>
Date: Sun, 4 Dec 2022 19:25:13 -0500
Subject: [PATCH] remove all those unwraps and just index directly into the
 vector

---
 04/main.rs | 26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

diff --git a/04/main.rs b/04/main.rs
index 0614242..995bc04 100644
--- a/04/main.rs
+++ b/04/main.rs
@@ -32,16 +32,14 @@ fn part_one() {
         let mut overlaps = 0;
         for line in lines {
             if let Ok(ranges) = line {
-                let v: Vec<Vec<i32>> = ranges
+                let v: Vec<Vec<i8>> = ranges
                     .split(",")
-                    .map(|r| r.split("-").map(|i| i.parse::<i32>().unwrap()).collect())
+                    .map(|r| r.split("-").map(|i| i.parse::<i8>().unwrap()).collect())
                     .collect();
                 // 00 ... 01
                 // 10 ... 11
-                if (v.get(0).unwrap().get(0) <= v.get(1).unwrap().get(0)
-                    && v.get(0).unwrap().get(1) >= v.get(1).unwrap().get(1))
-                    || (v.get(1).unwrap().get(0) <= v.get(0).unwrap().get(0)
-                        && v.get(1).unwrap().get(1) >= v.get(0).unwrap().get(1))
+                if (v[0][0] <= v[1][0] && v[0][1] >= v[1][1])
+                    || (v[1][0] <= v[0][0] && v[1][1] >= v[0][1])
                 {
                     overlaps += 1;
                 }
@@ -56,21 +54,17 @@ fn part_two() {
         let mut overlaps = 0;
         for line in lines {
             if let Ok(ranges) = line {
-                let v: Vec<Vec<i32>> = ranges
+                let v: Vec<Vec<i8>> = ranges
                     .split(",")
-                    .map(|r| r.split("-").map(|i| i.parse::<i32>().unwrap()).collect())
+                    .map(|r| r.split("-").map(|i| i.parse::<i8>().unwrap()).collect())
                     .collect();
                 // 00 ... 01
                 // 10 ... 11
                 // uuuuuugh
-                if (v.get(0).unwrap().get(0) <= v.get(1).unwrap().get(0)
-                    && v.get(0).unwrap().get(1) >= v.get(1).unwrap().get(1))
-                    || (v.get(1).unwrap().get(0) <= v.get(0).unwrap().get(0)
-                        && v.get(1).unwrap().get(1) >= v.get(0).unwrap().get(1))
-                    || (v.get(0).unwrap().get(0) <= v.get(1).unwrap().get(1)
-                        && v.get(0).unwrap().get(0) >= v.get(1).unwrap().get(0))
-                    || (v.get(0).unwrap().get(1) >= v.get(1).unwrap().get(0)
-                        && v.get(0).unwrap().get(1) <= v.get(1).unwrap().get(1))
+                if (v[0][0] <= v[1][0] && v[0][1] >= v[1][1])
+                    || (v[1][0] <= v[0][0] && v[1][1] >= v[0][1])
+                    || (v[0][0] <= v[1][1] && v[0][0] >= v[1][0])
+                    || (v[0][1] >= v[1][0] && v[0][1] <= v[1][1])
                 {
                     overlaps += 1;
                 }