add library to load data

day1/src/main.rs

@@ -1,4 +1,4 @@
-use std::{fs::File, io::Read};
+use util::get_data;
 
 fn main() {
     let word_numbers: Vec<String> = vec![
@@ -123,22 +123,6 @@ fn get_first_digit(word_numbers: &Vec<String>, line: &String) -> char {
     }
 }
 
-fn get_data(path: &str) -> Vec<String> {
-    let mut data = match File::open(path) {
-        Ok(file) => file,
-        Err(err) => panic!("failed to read the data file: {:?}", err),
-    };
-
-    let mut content = String::new();
-    data.read_to_string(&mut content)
-        .ok()
-        .expect("failed to parse file");
-
-    let lines: Vec<String> = content.split("\n").map(|l| l.to_string()).collect();
-
-    return lines;
-}
-
 fn get_digit_from_str(word: &str) -> char {
     match word {
         "zero" => return '0',