Refactor

src/days/mod.rs

@@ -0,0 +1,4 @@
+pub mod day1;
+pub mod day2;
+pub mod day3;
+pub mod day4;

src/input/mod.rs

@@ -1,9 +1,11 @@
-use std::{io::{BufReader, BufRead}, fs::File, str::FromStr, path::Path};
+use std::{io::{BufReader, BufRead}, fs::File, str::FromStr, path::{Path, PathBuf}};
 
 use crate::error::AdventError;
 
 pub fn read_into_vec<T:FromStr>(file_path : &Path) -> Result<Vec<T>, AdventError> where AdventError: From<<T as FromStr>::Err> {
-    let file = File::open(file_path).expect("no such file");
+    let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    path.push(file_path);
+    let file = File::open(path).expect("no such file");
     let buf = BufReader::new(file);
     buf.lines().map(|line| T::from_str(line?.as_str()).map_err(Into::into)).collect::<Result<Vec<T>, AdventError>>()
 }

src/main.rs

@@ -1,10 +1,9 @@
 pub mod input;
 pub mod error;
 
-pub mod day1;
-pub mod day2;
-pub mod day3;
-pub mod day4;
+pub mod days;
+
+use days::*;
 
 use std::env;