lots of stuff ive done.

maybe a status would be good?

src/bin/2016_01a.rs

@@ -27,6 +27,7 @@
 //
 
 use std::{env, fs};
+use aoc::read_data;
 use crate::CardinalDirection::*;
 
 #[derive(Debug)]
@@ -101,9 +102,8 @@ fn manhattan_distance(directions: &str) -> i32 {
 }
 
 fn main() {
-
-    let directions = fs::read_to_string(format!("{}/data/01_data.txt", env::var("CARGO_MANIFEST_DIR").unwrap())).unwrap();
-    let directions = directions.as_str();
+    let binding = read_data("2016_01_data.txt");
+    let directions = binding.as_str();
     let parmas: Vec<(&str, i32)> = vec![
         ("R2, L3", 5),
         ("R2, R2, R2", 2),