Refactor

src/day1/mod.rs

@@ -1,9 +1,7 @@
 
 use std::{path::Path, vec};
 
-use crate::input::AdventError;
-
-use super::input::read_into_vec;
+use crate::{input::read_into_vec, error::AdventError};
 
 fn process(lines: Vec::<String>) -> Result<u32, AdventError> {
     let calibrations: Vec<u32> = lines.iter().map(|v| {

src/day2/mod.rs

@@ -1,6 +1,6 @@
 use std::{path::Path, str::FromStr, cmp::max};
 
-use crate::input::{AdventError, read_into_vec};
+use crate::{input::read_into_vec, error::AdventError};
 
 impl FromStr for Color {
     type Err = AdventError;

src/day3/mod.rs

@@ -2,7 +2,7 @@ use std::{str::FromStr, path::Path, option::Option};
 
 use itertools::Itertools;
 
-use crate::input::{AdventError, read_into_vec};
+use crate::{input::read_into_vec, error::AdventError};
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Number {

src/day4/mod.rs

@@ -2,7 +2,7 @@ use std::{collections::HashSet, path::Path, str::FromStr};
 
 use itertools::Itertools;
 
-use crate::input::{AdventError, read_into_vec};
+use crate::{input::read_into_vec, error::AdventError};
 
 impl FromStr for ScratchGame {
     type Err = AdventError;

src/error/mod.rs

@@ -0,0 +1,28 @@
+use std::{num::{ParseIntError, TryFromIntError}, convert::Infallible, io};
+
+#[derive(Debug)]
+pub struct AdventError(pub String);
+
+impl From<ParseIntError> for AdventError {
+    fn from(e: ParseIntError) -> Self {
+        AdventError(e.to_string())
+    }
+}
+
+impl From<io::Error> for AdventError {
+    fn from(e: io::Error) -> Self {
+        AdventError(e.to_string())
+    }
+}
+
+impl From<Infallible> for AdventError {
+    fn from(_: Infallible) -> Self {
+        unreachable!()
+    }
+}
+
+impl From<TryFromIntError> for AdventError {
+    fn from(e: TryFromIntError) -> Self {
+        AdventError(e.to_string())
+    }
+}

src/input/mod.rs

@@ -1,31 +1,6 @@
-use std::{io::{BufReader, BufRead, self}, fs::File, str::FromStr, path::Path, convert::Infallible, num::{ParseIntError, TryFromIntError}};
+use std::{io::{BufReader, BufRead}, fs::File, str::FromStr, path::Path};
 
-#[derive(Debug)]
-pub struct AdventError(pub String);
-
-impl From<ParseIntError> for AdventError {
-    fn from(e: ParseIntError) -> Self {
-        AdventError(e.to_string())
-    }
-}
-
-impl From<io::Error> for AdventError {
-    fn from(e: io::Error) -> Self {
-        AdventError(e.to_string())
-    }
-}
-
-impl From<Infallible> for AdventError {
-    fn from(_: Infallible) -> Self {
-        unreachable!()
-    }
-}
-
-impl From<TryFromIntError> for AdventError {
-    fn from(e: TryFromIntError) -> Self {
-        AdventError(e.to_string())
-    }
-}
+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");

src/main.rs

@@ -1,13 +1,14 @@
 pub mod input;
+pub mod error;
 
 pub mod day1;
 pub mod day2;
 pub mod day3;
 pub mod day4;
 
-use std::{env};
+use std::env;
 
-use input::AdventError;
+use crate::error::AdventError;
 
 fn main() -> Result<(), AdventError> {
     let days = vec![