feat: implement day01

src/day01.rs

@@ -0,0 +1,63 @@
+use crate::utils;
+
+pub fn execute_task01(content: &str) {
+    let binding = utils::convert_to_string_slice(content);
+    let iter =binding
+        .iter()
+        .map(|line| line.to_string());
+    let calibration = sum_lines(iter);
+
+    assert_eq!(calibration, 56465);
+    println!("Day01 - Task01 - Calibration: {}", calibration)
+}
+
+
+pub fn execute_task02(content: &str) {
+    let binding = utils::convert_to_string_slice(content);
+    let iter = binding
+        .iter()
+        .map(|line| {
+            let mut full_str = "".to_owned();
+            for char in line.chars() {
+                full_str.push(char);
+
+                let copy = full_str.replace("one", "1")
+                    .replace("two", "2")
+                    .replace("three", "3")
+                    .replace("four", "4")
+                    .replace("five", "5")
+                    .replace("six", "6")
+                    .replace("seven", "7")
+                    .replace("eight", "8")
+                    .replace("nine", "9");
+
+                if copy != full_str {
+                    full_str = copy;
+                    full_str.push(char);
+                }
+            }
+
+            full_str
+        });
+
+    let calibration = sum_lines(iter);
+
+    assert_eq!(calibration, 55902);
+    println!("Day01 - Task02 - Calibration: {}", calibration)
+}
+
+fn sum_lines(iter: impl Iterator<Item=String>) -> i32 {
+    iter.map(|line|
+        line
+            .chars()
+            .filter(|char| {
+                match char {
+                    '0'..='9' => true,
+                    _ => false
+                }
+            })
+            .collect::<String>())
+        .map(|number_str| format!("{}{}", number_str.chars().next().unwrap(), number_str.chars().last().unwrap()))
+        .map(|number_str| number_str.parse::<i32>().unwrap())
+        .sum()
+}

src/main.rs

@@ -1,3 +1,9 @@
+mod day01;
+mod utils;
+
+const CONTENT01: &'static str = include_str!("input/day01/input.txt");
+
 fn main() {
-    println!("Hello, world!");
+    day01::execute_task01(CONTENT01);
+    day01::execute_task02(CONTENT01);
 }

src/utils.rs

@@ -0,0 +1,5 @@
+
+
+pub fn convert_to_string_slice(content: &str) -> Vec<&str> {
+    content.lines().collect()
+}