use aoc crate for common stuff

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];