src/lib.rs

@@ -1,6 +1,5 @@
 #![feature(let_chains)]
 #![feature(decl_macro)]
-#![feature(iter_array_chunks)]
 
 pub mod days;
 pub mod utils;

src/prelude.rs

@@ -5,5 +5,3 @@ pub use std::{
     collections::{ HashMap as M, HashSet as S },
     cmp::Ordering as Or,
 };
-
-pub type SS = &'static str;