push to edition 2018

Cargo.toml

@@ -2,6 +2,7 @@
 name = "aoc_2018"
 version = "0.1.0"
 authors = ["Johannes <jschaef@mail.uni-paderborn.de>"]
+edition = "2018"
 
 [dependencies]
 regex = "1.1.0"

src/tasks/day01.rs

@@ -1,5 +1,5 @@
 use std::collections::HashSet;
-use utils;
+use crate::utils;
 
 pub fn task1() {
     let frequency: i32 = utils::read_file("input/day01.txt")

src/tasks/day02.rs

@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 use std::collections::HashSet;
-use utils;
+use crate::utils;
 
 pub fn task1() {
     let input = utils::read_file("input/day02.txt");

src/tasks/day03.rs

@@ -1,6 +1,6 @@
 use regex::Regex;
 use std::collections::HashMap;
-use utils;
+use crate::utils;
 
 #[derive(PartialEq)]
 enum Use {

src/tasks/day04.rs

@@ -2,7 +2,7 @@ use chrono::prelude::*;
 use chrono::Duration;
 use chrono::NaiveDateTime;
 use std::collections::HashMap;
-use utils;
+use crate::utils;
 
 enum Activity {
     Starts(u32),

src/tasks/day05.rs

@@ -1,5 +1,5 @@
 use std::time::Instant;
-use utils;
+use crate::utils;
 
 pub fn task1() {
     let mut input = utils::read_file("input/day05.txt");

src/tasks/day06.rs

@@ -1,4 +1,4 @@
-use utils;
+use crate::utils;
 
 pub fn task1() {
     use self::Bla::*;