use aoc crate for common stuff

Cargo.lock

@@ -1,14 +1,27 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "aoc"
+version = "0.1.0"
+
 [[package]]
 name = "aoc2015"
 version = "0.1.0"
+dependencies = [
+ "aoc 0.1.0",
+]
 
 [[package]]
 name = "aoc2018"
 version = "0.1.0"
+dependencies = [
+ "aoc 0.1.0",
+]
 
 [[package]]
 name = "aoc2019"
 version = "0.1.0"
+dependencies = [
+ "aoc 0.1.0",
+]
 

Cargo.toml

@@ -1,5 +1,6 @@
 [workspace]
 members = [
+    "aoc",
     "aoc2015",
     "aoc2018",
     "aoc2019",

aoc/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "aoc"
+version = "0.1.0"
+authors = ["Antoine Martin <antoine97.martin@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

aoc/src/lib.rs

@@ -0,0 +1,6 @@
+pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
+
+#[macro_export]
+macro_rules! err {
+    ($($string:expr),+) => (Box::<dyn std::error::Error>::from(format!($($string),+)))
+}

aoc2015/Cargo.toml

@@ -7,3 +7,5 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+
+aoc = { path = "../aoc" }

aoc2015/src/day01.rs

@@ -1,5 +1,5 @@
-use super::err;
-use super::Result;
+use aoc::err;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day01.txt");
 

aoc2015/src/lib.rs

@@ -1,8 +1 @@
 pub mod day01;
-
-pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
-
-#[macro_export]
-macro_rules! err {
-    ($($string:expr),+) => (Box::<dyn std::error::Error>::from(format!($($string),+)))
-}

aoc2015/src/main.rs

@@ -1,8 +1,8 @@
 use std::env;
 
-use aoc2015::day01;
+use aoc::Result;
 
-use aoc2015::Result;
+use aoc2015::day01;
 
 fn main() -> Result<()> {
     let days: &[fn() -> Result<()>] = &[day01::run];

aoc2018/Cargo.toml

@@ -7,3 +7,5 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+
+aoc = { path = "../aoc" }

aoc2018/src/day01.rs

@@ -1,6 +1,6 @@
 use std::collections::HashSet;
 
-use super::Result;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day01.txt");
 

aoc2018/src/day02.rs

@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 
-use super::Result;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day02.txt");
 

aoc2018/src/day03.rs

@@ -3,8 +3,8 @@ use std::collections::HashSet;
 use std::error::Error;
 use std::str::FromStr;
 
-use super::err;
-use super::Result;
+use aoc::err;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day03.txt");
 

aoc2018/src/day04.rs

@@ -2,8 +2,8 @@ use std::collections::HashMap;
 use std::error::Error;
 use std::str::FromStr;
 
-use super::err;
-use super::Result;
+use aoc::err;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day04.txt");
 

aoc2018/src/day05.rs

@@ -1,6 +1,6 @@
 use std::collections::HashSet;
 
-use super::Result;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day05.txt");
 

aoc2018/src/lib.rs

@@ -3,10 +3,3 @@ pub mod day02;
 pub mod day03;
 pub mod day04;
 pub mod day05;
-
-pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
-
-#[macro_export]
-macro_rules! err {
-    ($($string:expr),+) => (Box::<dyn std::error::Error>::from(format!($($string),+)))
-}

aoc2018/src/main.rs

@@ -1,13 +1,13 @@
 use std::env;
 
+use aoc::Result;
+
 use aoc2018::day01;
 use aoc2018::day02;
 use aoc2018::day03;
 use aoc2018::day04;
 use aoc2018::day05;
 
-use aoc2018::Result;
-
 fn main() -> Result<()> {
     let days: &[fn() -> Result<()>] = &[day01::run, day02::run, day03::run, day04::run, day05::run];
 

aoc2019/Cargo.toml

@@ -7,3 +7,5 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+
+aoc = { path = "../aoc" }

aoc2019/src/day01.rs

@@ -1,4 +1,4 @@
-use super::Result;
+use aoc::Result;
 
 const INPUT: &str = include_str!("../input/day01.txt");