1 files changed, 5 insertions, 1 deletions
diff --git a/2018/src/main.rs b/2018/src/main.rs
index 349d857..98c0f7b 100644
--- a/2018/src/main.rs
+++ b/2018/src/main.rs
@@ -1,3 +1,5 @@
+#[macro_use] extern crate lazy_static;
+extern crate regex;
 extern crate argparse;
 
 use std::io;
@@ -9,12 +11,14 @@ use argparse::{ArgumentParser, StoreTrue, Store};
 mod day1;
 mod day2;
 mod day3;
+mod day4;
 
 fn day_switch<T: BufRead>(day: i32, reader: T) -> io::Result<()> {
     match day {
         1 => day1::main(reader),
         2 => day2::main(reader),
         3 => day3::main(reader),
+        4 => day4::main(reader),
         _ => Err(Error::new(ErrorKind::Other, "Invalid day"))
     }
 }
@@ -70,7 +74,7 @@ fn main() -> io::Result<()> {
 
     error_handler(||
         if day_string.len() == 0 {
-            for day in 1..4 {
+            for day in 1..5 {
                 run_day(day, &options)?;
             }
             Ok(())