Days 4 and 5 and rust. This is really REALLY shitty

rust/4/part1.rs

@@ -0,0 +1,48 @@
+use std::{
+    fs::File,
+    io::{BufRead, BufReader},
+};
+
+struct Pair {
+    low: i32,
+    high: i32,
+}
+
+impl Pair {
+    fn new(input: &str) -> Self {
+        let tmpvec = input
+            .split('-')
+            .map(|val| val.parse::<i32>().unwrap())
+            .collect::<Vec<_>>();
+        return Self {
+            low: tmpvec[0],
+            high: tmpvec[1],
+        };
+    }
+
+    fn contains_fully(self: &Self, other: &Self) -> bool {
+        self.low <= other.low && self.high >= other.high
+    }
+}
+
+fn main() -> () {
+    let path = "input.txt";
+
+    let input = File::open(path).unwrap();
+    let buf = BufReader::new(input);
+
+    let score: i32 = buf
+        .lines()
+        .map(|line| {
+            let line = line.unwrap();
+            let pairs = line
+                .split(',')
+                .map(|pair_str| Pair::new(pair_str))
+                .collect::<Vec<_>>();
+            pairs[0].contains_fully(&pairs[1]) || pairs[1].contains_fully(&pairs[0])
+        })
+        .map(|b| if b { 1 } else { 0 })
+        .sum();
+
+    println!("{}", score);
+}

rust/4/part2.rs

@@ -0,0 +1,51 @@
+use std::{
+    fs::File,
+    io::{BufRead, BufReader},
+};
+
+struct Pair {
+    low: i32,
+    high: i32,
+}
+
+impl Pair {
+    fn new(input: &str) -> Self {
+        let tmpvec = input
+            .split('-')
+            .map(|val| val.parse::<i32>().unwrap())
+            .collect::<Vec<_>>();
+        return Self {
+            low: tmpvec[0],
+            high: tmpvec[1],
+        };
+    }
+
+    fn contains_fully(self: &Self, other: &Self) -> bool {
+        self.low <= other.low && self.high >= other.high
+    }
+    fn contains_partially(self: &Self, other: &Self) -> bool {
+        self.low <= other.high && self.high >= other.low
+    }
+}
+
+fn main() -> () {
+    let path = "input.txt";
+
+    let input = File::open(path).unwrap();
+    let buf = BufReader::new(input);
+
+    let score: i32 = buf
+        .lines()
+        .map(|line| {
+            let line = line.unwrap();
+            let pairs = line
+                .split(',')
+                .map(|pair_str| Pair::new(pair_str))
+                .collect::<Vec<_>>();
+            pairs[0].contains_partially(&pairs[1])
+        })
+        .map(|b| if b { 1 } else { 0 })
+        .sum();
+
+    println!("{}", score);
+}