🎉 rust day1 first implementation

.gitignore

@@ -0,0 +1,6 @@
+**/.vscode
+**/.idea
+**/input.txt
+**/debug/
+**/target/
+**/*rs.bk

rust/day1/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day1"
+version = "0.1.0"

rust/day1/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

rust/day1/README

@@ -0,0 +1 @@
+Create a file in the root folder with the input called input.txt

rust/day1/src/main.rs

@@ -0,0 +1,51 @@
+use std::fs;
+
+fn main() {
+    let contents = fs::read_to_string("input.txt").expect("Could not read the file");
+
+    let first_total_calibration_value = first_impl(contents);
+    println!("The total value is: {first_total_calibration_value}");
+}
+
+fn first_impl(contents: String) -> i32 {
+    let mut total_calibration_value = 0;
+
+    for line in contents.split_whitespace() {
+        let mut calibration_value = String::new();
+
+        for character in line.chars() {
+            let _my_int: u32 = match character.to_digit(10) {
+                Some(digit) => digit,
+                _ => continue,
+            };
+            if calibration_value.chars().count() > 1 {
+                _ = calibration_value.pop();
+            }
+            calibration_value.push(character);
+        }
+        if calibration_value.chars().count() == 1 {
+            calibration_value.push_str(&calibration_value.clone());
+        }
+        total_calibration_value += calibration_value.parse::<i32>().unwrap();
+    }
+    return total_calibration_value
+}
+
+fn second_impl(contents: String) -> i32 {
+    return 0
+}
+
+fn number_string_to_int(probable_string: &String) -> Option<i32>{
+    match probable_string.as_str() {
+        "nine" => Some(9),
+        "eight" => Some(8),
+        "seven" => Some(7),
+        "six" => Some(6),
+        "five" => Some(5),
+        "four" => Some(4),
+        "three" => Some(3),
+        "two" => Some(2),
+        "one" => Some(1),
+        _ => None,
+    }
+}